From 8b1ba7028eacf14cfe10edae1f6323d73726f4ab Mon Sep 17 00:00:00 2001 From: Marcus Hill Date: Sun, 26 May 2024 16:08:06 +0100 Subject: [PATCH 1/2] 2FA QR Codes Move away from the Google Charts API for generating QR codes as this is currently broken and not a security best practice. --- force_mfa.php | 5 +- plugins/barcode/barcode.php | 3348 +++++++++++++++++++++++++++++++++++ rfc6238.php | 8 - user_security.php | 6 +- 4 files changed, 3355 insertions(+), 12 deletions(-) create mode 100644 plugins/barcode/barcode.php diff --git a/force_mfa.php b/force_mfa.php index 0a70186e9..05e6d1f2d 100644 --- a/force_mfa.php +++ b/force_mfa.php @@ -36,8 +36,9 @@ if (!empty($session_token)) { - //Generate QR Code based off the generated key - print sprintf('', TokenAuth6238::getBarCodeUrl($session_name, ' ', $session_token, $_SERVER['SERVER_NAME'])); + // Generate QR Code + $data = "otpauth://totp/ITFlow:$session_email?secret=$session_token"; + print ""; echo "

$session_token

"; } diff --git a/plugins/barcode/barcode.php b/plugins/barcode/barcode.php new file mode 100644 index 000000000..b11150111 --- /dev/null +++ b/plugins/barcode/barcode.php @@ -0,0 +1,3348 @@ +output_image($format, $_POST['s'], $_POST['d'], $_POST); + exit(0); + } + if (isset($_GET['s']) && isset($_GET['d'])) { + $generator = new barcode_generator(); + $format = (isset($_GET['f']) ? $_GET['f'] : 'png'); + $generator->output_image($format, $_GET['s'], $_GET['d'], $_GET); + exit(0); + } +} + +class barcode_generator { + + public function output_image($format, $symbology, $data, $options) { + switch (strtolower(preg_replace('/[^A-Za-z0-9]/', '', $format))) { + case 'png': + header('Content-Type: image/png'); + $image = $this->render_image($symbology, $data, $options); + imagepng($image); + imagedestroy($image); + break; + case 'gif': + header('Content-Type: image/gif'); + $image = $this->render_image($symbology, $data, $options); + imagegif($image); + imagedestroy($image); + break; + case 'jpg': case 'jpe': case 'jpeg': + header('Content-Type: image/jpeg'); + $image = $this->render_image($symbology, $data, $options); + imagejpeg($image); + imagedestroy($image); + break; + case 'svg': + header('Content-Type: image/svg+xml'); + echo $this->render_svg($symbology, $data, $options); + break; + } + } + + public function render_image($symbology, $data, $options) { + list($code, $widths, $width, $height, $x, $y, $w, $h) = + $this->encode_and_calculate_size($symbology, $data, $options); + $image = imagecreatetruecolor($width, $height); + imagesavealpha($image, true); + $bgcolor = (isset($options['bc']) ? $options['bc'] : 'FFF'); + $bgcolor = $this->allocate_color($image, $bgcolor); + imagefill($image, 0, 0, $bgcolor); + $colors = array( + (isset($options['cs']) ? $options['cs'] : ''), + (isset($options['cm']) ? $options['cm'] : '000'), + (isset($options['c2']) ? $options['c2'] : 'F00'), + (isset($options['c3']) ? $options['c3'] : 'FF0'), + (isset($options['c4']) ? $options['c4'] : '0F0'), + (isset($options['c5']) ? $options['c5'] : '0FF'), + (isset($options['c6']) ? $options['c6'] : '00F'), + (isset($options['c7']) ? $options['c7'] : 'F0F'), + (isset($options['c8']) ? $options['c8'] : 'FFF'), + (isset($options['c9']) ? $options['c9'] : '000'), + ); + foreach ($colors as $i => $color) { + $colors[$i] = $this->allocate_color($image, $color); + } + $this->dispatch_render_image( + $image, $code, $x, $y, $w, $h, $colors, $widths, $options + ); + return $image; + } + + public function render_svg($symbology, $data, $options) { + list($code, $widths, $width, $height, $x, $y, $w, $h) = + $this->encode_and_calculate_size($symbology, $data, $options); + $svg = ''; + $svg .= ''; + $bgcolor = (isset($options['bc']) ? $options['bc'] : 'white'); + if ($bgcolor) { + $svg .= ''; + } + $colors = array( + (isset($options['cs']) ? $options['cs'] : ''), + (isset($options['cm']) ? $options['cm'] : 'black'), + (isset($options['c2']) ? $options['c2'] : '#FF0000'), + (isset($options['c3']) ? $options['c3'] : '#FFFF00'), + (isset($options['c4']) ? $options['c4'] : '#00FF00'), + (isset($options['c5']) ? $options['c5'] : '#00FFFF'), + (isset($options['c6']) ? $options['c6'] : '#0000FF'), + (isset($options['c7']) ? $options['c7'] : '#FF00FF'), + (isset($options['c8']) ? $options['c8'] : 'white'), + (isset($options['c9']) ? $options['c9'] : 'black'), + ); + $svg .= $this->dispatch_render_svg( + $code, $x, $y, $w, $h, $colors, $widths, $options + ); + $svg .= ''; + return $svg; + } + + /* - - - - INTERNAL FUNCTIONS - - - - */ + + private function encode_and_calculate_size($symbology, $data, $options) { + $code = $this->dispatch_encode($symbology, $data, $options); + $widths = array( + (isset($options['wq']) ? (int)$options['wq'] : 1), + (isset($options['wm']) ? (int)$options['wm'] : 1), + (isset($options['ww']) ? (int)$options['ww'] : 3), + (isset($options['wn']) ? (int)$options['wn'] : 1), + (isset($options['w4']) ? (int)$options['w4'] : 1), + (isset($options['w5']) ? (int)$options['w5'] : 1), + (isset($options['w6']) ? (int)$options['w6'] : 1), + (isset($options['w7']) ? (int)$options['w7'] : 1), + (isset($options['w8']) ? (int)$options['w8'] : 1), + (isset($options['w9']) ? (int)$options['w9'] : 1), + ); + $size = $this->dispatch_calculate_size($code, $widths, $options); + $dscale = ($code && isset($code['g']) && $code['g'] == 'm') ? 4 : 1; + $scale = (isset($options['sf']) ? (float)$options['sf'] : $dscale); + $scalex = (isset($options['sx']) ? (float)$options['sx'] : $scale); + $scaley = (isset($options['sy']) ? (float)$options['sy'] : $scale); + $dpadding = ($code && isset($code['g']) && $code['g'] == 'm') ? 0 : 10; + $padding = (isset($options['p']) ? (int)$options['p'] : $dpadding); + $vert = (isset($options['pv']) ? (int)$options['pv'] : $padding); + $horiz = (isset($options['ph']) ? (int)$options['ph'] : $padding); + $top = (isset($options['pt']) ? (int)$options['pt'] : $vert); + $left = (isset($options['pl']) ? (int)$options['pl'] : $horiz); + $right = (isset($options['pr']) ? (int)$options['pr'] : $horiz); + $bottom = (isset($options['pb']) ? (int)$options['pb'] : $vert); + $dwidth = ceil($size[0] * $scalex) + $left + $right; + $dheight = ceil($size[1] * $scaley) + $top + $bottom; + $iwidth = (isset($options['w']) ? (int)$options['w'] : $dwidth); + $iheight = (isset($options['h']) ? (int)$options['h'] : $dheight); + $swidth = $iwidth - $left - $right; + $sheight = $iheight - $top - $bottom; + return array( + $code, $widths, $iwidth, $iheight, + $left, $top, $swidth, $sheight + ); + } + + private function allocate_color($image, $color) { + $color = preg_replace('/[^0-9A-Fa-f]/', '', $color); + switch (strlen($color)) { + case 1: + $v = hexdec($color) * 17; + return imagecolorallocate($image, $v, $v, $v); + case 2: + $v = hexdec($color); + return imagecolorallocate($image, $v, $v, $v); + case 3: + $r = hexdec(substr($color, 0, 1)) * 17; + $g = hexdec(substr($color, 1, 1)) * 17; + $b = hexdec(substr($color, 2, 1)) * 17; + return imagecolorallocate($image, $r, $g, $b); + case 4: + $a = hexdec(substr($color, 0, 1)) * 17; + $r = hexdec(substr($color, 1, 1)) * 17; + $g = hexdec(substr($color, 2, 1)) * 17; + $b = hexdec(substr($color, 3, 1)) * 17; + $a = round((255 - $a) * 127 / 255); + return imagecolorallocatealpha($image, $r, $g, $b, $a); + case 6: + $r = hexdec(substr($color, 0, 2)); + $g = hexdec(substr($color, 2, 2)); + $b = hexdec(substr($color, 4, 2)); + return imagecolorallocate($image, $r, $g, $b); + case 8: + $a = hexdec(substr($color, 0, 2)); + $r = hexdec(substr($color, 2, 2)); + $g = hexdec(substr($color, 4, 2)); + $b = hexdec(substr($color, 6, 2)); + $a = round((255 - $a) * 127 / 255); + return imagecolorallocatealpha($image, $r, $g, $b, $a); + default: + return imagecolorallocatealpha($image, 0, 0, 0, 127); + } + } + + /* - - - - DISPATCH - - - - */ + + private function dispatch_encode($symbology, $data, $options) { + switch (strtolower(preg_replace('/[^A-Za-z0-9]/', '', $symbology))) { + case 'upca' : return $this->upc_a_encode($data); + case 'upce' : return $this->upc_e_encode($data); + case 'ean13nopad' : return $this->ean_13_encode($data, ' '); + case 'ean13pad' : return $this->ean_13_encode($data, '>'); + case 'ean13' : return $this->ean_13_encode($data, '>'); + case 'ean8' : return $this->ean_8_encode($data); + case 'code39' : return $this->code_39_encode($data); + case 'code39ascii': return $this->code_39_ascii_encode($data); + case 'code93' : return $this->code_93_encode($data); + case 'code93ascii': return $this->code_93_ascii_encode($data); + case 'code128' : return $this->code_128_encode($data, 0,false); + case 'code128a' : return $this->code_128_encode($data, 1,false); + case 'code128b' : return $this->code_128_encode($data, 2,false); + case 'code128c' : return $this->code_128_encode($data, 3,false); + case 'code128ac' : return $this->code_128_encode($data,-1,false); + case 'code128bc' : return $this->code_128_encode($data,-2,false); + case 'ean128' : return $this->code_128_encode($data, 0, true); + case 'ean128a' : return $this->code_128_encode($data, 1, true); + case 'ean128b' : return $this->code_128_encode($data, 2, true); + case 'ean128c' : return $this->code_128_encode($data, 3, true); + case 'ean128ac' : return $this->code_128_encode($data,-1, true); + case 'ean128bc' : return $this->code_128_encode($data,-2, true); + case 'codabar' : return $this->codabar_encode($data); + case 'itf' : return $this->itf_encode($data); + case 'itf14' : return $this->itf_encode($data); + case 'qr' : return $this->qr_encode($data, 0); + case 'qrl' : return $this->qr_encode($data, 0); + case 'qrm' : return $this->qr_encode($data, 1); + case 'qrq' : return $this->qr_encode($data, 2); + case 'qrh' : return $this->qr_encode($data, 3); + case 'dmtx' : return $this->dmtx_encode($data,false,false); + case 'dmtxs' : return $this->dmtx_encode($data,false,false); + case 'dmtxr' : return $this->dmtx_encode($data, true,false); + case 'gs1dmtx' : return $this->dmtx_encode($data,false, true); + case 'gs1dmtxs' : return $this->dmtx_encode($data,false, true); + case 'gs1dmtxr' : return $this->dmtx_encode($data, true, true); + } + return null; + } + + private function dispatch_calculate_size($code, $widths, $options) { + if ($code && isset($code['g']) && $code['g']) { + switch ($code['g']) { + case 'l': + return $this->linear_calculate_size($code, $widths); + case 'm': + return $this->matrix_calculate_size($code, $widths); + } + } + return array(0, 0); + } + + private function dispatch_render_image( + $image, $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + if ($code && isset($code['g']) && $code['g']) { + switch ($code['g']) { + case 'l': + $this->linear_render_image( + $image, $code, $x, $y, $w, $h, + $colors, $widths, $options + ); + break; + case 'm': + $this->matrix_render_image( + $image, $code, $x, $y, $w, $h, + $colors, $widths, $options + ); + break; + } + } + } + + private function dispatch_render_svg( + $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + if ($code && isset($code['g']) && $code['g']) { + switch ($code['g']) { + case 'l': + return $this->linear_render_svg( + $code, $x, $y, $w, $h, + $colors, $widths, $options + ); + case 'm': + return $this->matrix_render_svg( + $code, $x, $y, $w, $h, + $colors, $widths, $options + ); + } + } + return ''; + } + + /* - - - - LINEAR BARCODE RENDERER - - - - */ + + private function linear_calculate_size($code, $widths) { + $width = 0; + foreach ($code['b'] as $block) { + foreach ($block['m'] as $module) { + $width += $module[1] * $widths[$module[2]]; + } + } + return array($width, 80); + } + + private function linear_render_image( + $image, $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + $textheight = (isset($options['th']) ? (int)$options['th'] : 10); + $textsize = (isset($options['ts']) ? (int)$options['ts'] : 1); + $textcolor = (isset($options['tc']) ? $options['tc'] : '000'); + $textcolor = $this->allocate_color($image, $textcolor); + $width = 0; + foreach ($code['b'] as $block) { + foreach ($block['m'] as $module) { + $width += $module[1] * $widths[$module[2]]; + } + } + if ($width) { + $scale = $w / $width; + $scale = (($scale > 1) ? floor($scale) : 1); + $x = floor($x + ($w - $width * $scale) / 2); + } else { + $scale = 1; + $x = floor($x + $w / 2); + } + foreach ($code['b'] as $block) { + if (isset($block['l'])) { + $label = $block['l'][0]; + $ly = (isset($block['l'][1]) ? (float)$block['l'][1] : 1); + $lx = (isset($block['l'][2]) ? (float)$block['l'][2] : 0.5); + $my = round($y + min($h, $h + ($ly - 1) * $textheight)); + $ly = ($y + $h + $ly * $textheight); + $ly = round($ly - imagefontheight($textsize)); + } else { + $label = null; + $my = $y + $h; + } + $mx = $x; + foreach ($block['m'] as $module) { + $mc = $colors[$module[0]]; + $mw = $mx + $module[1] * $widths[$module[2]] * $scale; + imagefilledrectangle($image, $mx, $y, $mw - 1, $my - 1, $mc); + $mx = $mw; + } + if (!is_null($label)) { + $lx = ($x + ($mx - $x) * $lx); + $lw = imagefontwidth($textsize) * strlen($label); + $lx = round($lx - $lw / 2); + imagestring($image, $textsize, $lx, $ly, $label, $textcolor); + } + $x = $mx; + } + } + + private function linear_render_svg( + $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + $textheight = (isset($options['th']) ? (int)$options['th'] : 10); + $textfont = (isset($options['tf']) ? $options['tf'] : 'monospace'); + $textsize = (isset($options['ts']) ? (int)$options['ts'] : 10); + $textcolor = (isset($options['tc']) ? $options['tc'] : 'black'); + $width = 0; + foreach ($code['b'] as $block) { + foreach ($block['m'] as $module) { + $width += $module[1] * $widths[$module[2]]; + } + } + if ($width) { + $scale = $w / $width; + if ($scale > 1) { + $scale = floor($scale); + $x = floor($x + ($w - $width * $scale) / 2); + } + } else { + $scale = 1; + $x = floor($x + $w / 2); + } + $tx = 'translate(' . $x . ' ' . $y . ')'; + if ($scale != 1) $tx .= ' scale(' . $scale . ' 1)'; + $svg = ''; + $x = 0; + foreach ($code['b'] as $block) { + if (isset($block['l'])) { + $label = $block['l'][0]; + $ly = (isset($block['l'][1]) ? (float)$block['l'][1] : 1); + $lx = (isset($block['l'][2]) ? (float)$block['l'][2] : 0.5); + $mh = min($h, $h + ($ly - 1) * $textheight); + $ly = $h + $ly * $textheight; + } else { + $label = null; + $mh = $h; + } + $svg .= ''; + $mx = $x; + foreach ($block['m'] as $module) { + $mc = htmlspecialchars($colors[$module[0]]); + $mw = $module[1] * $widths[$module[2]]; + if ($mc) { + $svg .= ''; + } + $mx += $mw; + } + if (!is_null($label)) { + $lx = ($x + ($mx - $x) * $lx); + $svg .= ''; + $svg .= htmlspecialchars($label); + $svg .= ''; + } + $svg .= ''; + $x = $mx; + } + return $svg . ''; + } + + /* - - - - MATRIX BARCODE RENDERER - - - - */ + + private function matrix_calculate_size($code, $widths) { + $width = ( + $code['q'][3] * $widths[0] + + $code['s'][0] * $widths[1] + + $code['q'][1] * $widths[0] + ); + $height = ( + $code['q'][0] * $widths[0] + + $code['s'][1] * $widths[1] + + $code['q'][2] * $widths[0] + ); + return array($width, $height); + } + + private function matrix_render_image( + $image, $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + $shape = (isset($options['ms']) ? strtolower($options['ms']) : ''); + $density = (isset($options['md']) ? (float)$options['md'] : 1); + list($width, $height) = $this->matrix_calculate_size($code, $widths); + if ($width && $height) { + $scale = min($w / $width, $h / $height); + $scale = (($scale > 1) ? floor($scale) : 1); + $x = floor($x + ($w - $width * $scale) / 2); + $y = floor($y + ($h - $height * $scale) / 2); + } else { + $scale = 1; + $x = floor($x + $w / 2); + $y = floor($y + $h / 2); + } + $x += $code['q'][3] * $widths[0] * $scale; + $y += $code['q'][0] * $widths[0] * $scale; + $wh = $widths[1] * $scale; + foreach ($code['b'] as $by => $row) { + $y1 = $y + $by * $wh; + foreach ($row as $bx => $color) { + $x1 = $x + $bx * $wh; + $mc = $colors[$color]; + $this->matrix_dot_image( + $image, $x1, $y1, $wh, $wh, $mc, $shape, $density + ); + } + } + } + + private function matrix_render_svg( + $code, $x, $y, $w, $h, $colors, $widths, $options + ) { + $shape = (isset($options['ms']) ? strtolower($options['ms']) : ''); + $density = (isset($options['md']) ? (float)$options['md'] : 1); + list($width, $height) = $this->matrix_calculate_size($code, $widths); + if ($width && $height) { + $scale = min($w / $width, $h / $height); + if ($scale > 1) $scale = floor($scale); + $x = floor($x + ($w - $width * $scale) / 2); + $y = floor($y + ($h - $height * $scale) / 2); + } else { + $scale = 1; + $x = floor($x + $w / 2); + $y = floor($y + $h / 2); + } + $tx = 'translate(' . $x . ' ' . $y . ')'; + if ($scale != 1) $tx .= ' scale(' . $scale . ' ' . $scale . ')'; + $svg = ''; + $x = $code['q'][3] * $widths[0]; + $y = $code['q'][0] * $widths[0]; + $wh = $widths[1]; + foreach ($code['b'] as $by => $row) { + $y1 = $y + $by * $wh; + foreach ($row as $bx => $color) { + $x1 = $x + $bx * $wh; + $mc = $colors[$color]; + if ($mc) { + $svg .= $this->matrix_dot_svg( + $x1, $y1, $wh, $wh, $mc, $shape, $density + ); + } + } + } + return $svg . ''; + } + + private function matrix_dot_image($image, $x, $y, $w, $h, $mc, $ms, $md) { + switch ($ms) { + default: + $x = floor($x + (1 - $md) * $w / 2); + $y = floor($y + (1 - $md) * $h / 2); + $w = ceil($w * $md); + $h = ceil($h * $md); + imagefilledrectangle($image, $x, $y, $x+$w-1, $y+$h-1, $mc); + break; + case 'r': + $cx = floor($x + $w / 2); + $cy = floor($y + $h / 2); + $dx = ceil($w * $md); + $dy = ceil($h * $md); + imagefilledellipse($image, $cx, $cy, $dx, $dy, $mc); + break; + case 'x': + $x = floor($x + (1 - $md) * $w / 2); + $y = floor($y + (1 - $md) * $h / 2); + $w = ceil($w * $md); + $h = ceil($h * $md); + imageline($image, $x, $y, $x+$w-1, $y+$h-1, $mc); + imageline($image, $x, $y+$h-1, $x+$w-1, $y, $mc); + break; + } + } + + private function matrix_dot_svg($x, $y, $w, $h, $mc, $ms, $md) { + switch ($ms) { + default: + $x += (1 - $md) * $w / 2; + $y += (1 - $md) * $h / 2; + $w *= $md; + $h *= $md; + $svg = ''; + return $svg; + case 'r': + $cx = $x + $w / 2; + $cy = $y + $h / 2; + $rx = $w * $md / 2; + $ry = $h * $md / 2; + $svg = ''; + return $svg; + case 'x': + $x1 = $x + (1 - $md) * $w / 2; + $y1 = $y + (1 - $md) * $h / 2; + $x2 = $x + $w - (1 - $md) * $w / 2; + $y2 = $y + $h - (1 - $md) * $h / 2; + $svg = ''; + $svg .= ''; + return '' . $svg . ''; + } + } + + /* - - - - UPC FAMILY ENCODER - - - - */ + + private function upc_a_encode($data) { + $data = $this->upc_a_normalize($data); + $blocks = array(); + /* Quiet zone, start, first digit. */ + $digit = substr($data, 0, 1); + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array($digit, 0, 1/3) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array( + array(0, $this->upc_alphabet[$digit][0], 1), + array(1, $this->upc_alphabet[$digit][1], 1), + array(0, $this->upc_alphabet[$digit][2], 1), + array(1, $this->upc_alphabet[$digit][3], 1), + ) + ); + /* Left zone. */ + for ($i = 1; $i < 6; $i++) { + $digit = substr($data, $i, 1); + $blocks[] = array( + 'm' => array( + array(0, $this->upc_alphabet[$digit][0], 1), + array(1, $this->upc_alphabet[$digit][1], 1), + array(0, $this->upc_alphabet[$digit][2], 1), + array(1, $this->upc_alphabet[$digit][3], 1), + ), + 'l' => array($digit, 0.5, (6 - $i) / 6) + ); + } + /* Middle. */ + $blocks[] = array( + 'm' => array( + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + ) + ); + /* Right zone. */ + for ($i = 6; $i < 11; $i++) { + $digit = substr($data, $i, 1); + $blocks[] = array( + 'm' => array( + array(1, $this->upc_alphabet[$digit][0], 1), + array(0, $this->upc_alphabet[$digit][1], 1), + array(1, $this->upc_alphabet[$digit][2], 1), + array(0, $this->upc_alphabet[$digit][3], 1), + ), + 'l' => array($digit, 0.5, (11 - $i) / 6) + ); + } + /* Last digit, end, quiet zone. */ + $digit = substr($data, 11, 1); + $blocks[] = array( + 'm' => array( + array(1, $this->upc_alphabet[$digit][0], 1), + array(0, $this->upc_alphabet[$digit][1], 1), + array(1, $this->upc_alphabet[$digit][2], 1), + array(0, $this->upc_alphabet[$digit][3], 1), + ) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array($digit, 0, 2/3) + ); + /* Return code. */ + return array('g' => 'l', 'b' => $blocks); + } + + private function upc_e_encode($data) { + $data = $this->upc_e_normalize($data); + $blocks = array(); + /* Quiet zone, start. */ + $blocks[] = array( + 'm' => array(array(0, 9, 0)) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + /* Digits */ + $system = substr($data, 0, 1) & 1; + $check = substr($data, 7, 1); + $pbits = $this->upc_parity[$check]; + for ($i = 1; $i < 7; $i++) { + $digit = substr($data, $i, 1); + $pbit = $pbits[$i - 1] ^ $system; + $blocks[] = array( + 'm' => array( + array(0, $this->upc_alphabet[$digit][$pbit ? 3 : 0], 1), + array(1, $this->upc_alphabet[$digit][$pbit ? 2 : 1], 1), + array(0, $this->upc_alphabet[$digit][$pbit ? 1 : 2], 1), + array(1, $this->upc_alphabet[$digit][$pbit ? 0 : 3], 1), + ), + 'l' => array($digit, 0.5, (7 - $i) / 7) + ); + } + /* End, quiet zone. */ + $blocks[] = array( + 'm' => array( + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array(array(0, 9, 0)) + ); + /* Return code. */ + return array('g' => 'l', 'b' => $blocks); + } + + private function ean_13_encode($data, $pad) { + $data = $this->ean_13_normalize($data); + $blocks = array(); + /* Quiet zone, start, first digit (as parity). */ + $system = substr($data, 0, 1); + $pbits = ( + (int)$system ? + $this->upc_parity[$system] : + array(1, 1, 1, 1, 1, 1) + ); + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array($system, 0.5, 1/3) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + /* Left zone. */ + for ($i = 1; $i < 7; $i++) { + $digit = substr($data, $i, 1); + $pbit = $pbits[$i - 1]; + $blocks[] = array( + 'm' => array( + array(0, $this->upc_alphabet[$digit][$pbit ? 0 : 3], 1), + array(1, $this->upc_alphabet[$digit][$pbit ? 1 : 2], 1), + array(0, $this->upc_alphabet[$digit][$pbit ? 2 : 1], 1), + array(1, $this->upc_alphabet[$digit][$pbit ? 3 : 0], 1), + ), + 'l' => array($digit, 0.5, (7 - $i) / 7) + ); + } + /* Middle. */ + $blocks[] = array( + 'm' => array( + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + ) + ); + /* Right zone. */ + for ($i = 7; $i < 13; $i++) { + $digit = substr($data, $i, 1); + $blocks[] = array( + 'm' => array( + array(1, $this->upc_alphabet[$digit][0], 1), + array(0, $this->upc_alphabet[$digit][1], 1), + array(1, $this->upc_alphabet[$digit][2], 1), + array(0, $this->upc_alphabet[$digit][3], 1), + ), + 'l' => array($digit, 0.5, (13 - $i) / 7) + ); + } + /* End, quiet zone. */ + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array($pad, 0.5, 2/3) + ); + /* Return code. */ + return array('g' => 'l', 'b' => $blocks); + } + + private function ean_8_encode($data) { + $data = $this->ean_8_normalize($data); + $blocks = array(); + /* Quiet zone, start. */ + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array('<', 0.5, 1/3) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + /* Left zone. */ + for ($i = 0; $i < 4; $i++) { + $digit = substr($data, $i, 1); + $blocks[] = array( + 'm' => array( + array(0, $this->upc_alphabet[$digit][0], 1), + array(1, $this->upc_alphabet[$digit][1], 1), + array(0, $this->upc_alphabet[$digit][2], 1), + array(1, $this->upc_alphabet[$digit][3], 1), + ), + 'l' => array($digit, 0.5, (4 - $i) / 5) + ); + } + /* Middle. */ + $blocks[] = array( + 'm' => array( + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + ) + ); + /* Right zone. */ + for ($i = 4; $i < 8; $i++) { + $digit = substr($data, $i, 1); + $blocks[] = array( + 'm' => array( + array(1, $this->upc_alphabet[$digit][0], 1), + array(0, $this->upc_alphabet[$digit][1], 1), + array(1, $this->upc_alphabet[$digit][2], 1), + array(0, $this->upc_alphabet[$digit][3], 1), + ), + 'l' => array($digit, 0.5, (8 - $i) / 5) + ); + } + /* End, quiet zone. */ + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array(array(0, 9, 0)), + 'l' => array('>', 0.5, 2/3) + ); + /* Return code. */ + return array('g' => 'l', 'b' => $blocks); + } + + private function upc_a_normalize($data) { + $data = preg_replace('/[^0-9*]/', '', $data); + /* Set length to 12 digits. */ + if (strlen($data) < 5) { + $data = str_repeat('0', 12); + } else if (strlen($data) < 12) { + $system = substr($data, 0, 1); + $edata = substr($data, 1, -2); + $epattern = (int)substr($data, -2, 1); + $check = substr($data, -1); + if ($epattern < 3) { + $left = $system . substr($edata, 0, 2) . $epattern; + $right = substr($edata, 2) . $check; + } else if ($epattern < strlen($edata)) { + $left = $system . substr($edata, 0, $epattern); + $right = substr($edata, $epattern) . $check; + } else { + $left = $system . $edata; + $right = $epattern . $check; + } + $center = str_repeat('0', 12 - strlen($left . $right)); + $data = $left . $center . $right; + } else if (strlen($data) > 12) { + $left = substr($data, 0, 6); + $right = substr($data, -6); + $data = $left . $right; + } + /* Replace * with missing or check digit. */ + while (($o = strrpos($data, '*')) !== false) { + $checksum = 0; + for ($i = 0; $i < 12; $i++) { + $digit = substr($data, $i, 1); + $checksum += (($i % 2) ? 1 : 3) * $digit; + } + $checksum *= (($o % 2) ? 9 : 3); + $left = substr($data, 0, $o); + $center = substr($checksum, -1); + $right = substr($data, $o + 1); + $data = $left . $center . $right; + } + return $data; + } + + private function upc_e_normalize($data) { + $data = preg_replace('/[^0-9*]/', '', $data); + /* If exactly 8 digits, use verbatim even if check digit is wrong. */ + if (preg_match( + '/^([01])([0-9][0-9][0-9][0-9][0-9][0-9])([0-9])$/', + $data, $m + )) { + return $data; + } + /* If unknown check digit, use verbatim but calculate check digit. */ + if (preg_match( + '/^([01])([0-9][0-9][0-9][0-9][0-9][0-9])([*])$/', + $data, $m + )) { + $data = $this->upc_a_normalize($data); + return $m[1] . $m[2] . substr($data, -1); + } + /* Otherwise normalize to UPC-A and convert back. */ + $data = $this->upc_a_normalize($data); + if (preg_match( + '/^([01])([0-9][0-9])([0-2])0000([0-9][0-9][0-9])([0-9])$/', + $data, $m + )) { + return $m[1] . $m[2] . $m[4] . $m[3] . $m[5]; + } + if (preg_match( + '/^([01])([0-9][0-9][0-9])00000([0-9][0-9])([0-9])$/', + $data, $m + )) { + return $m[1] . $m[2] . $m[3] . '3' . $m[4]; + } + if (preg_match( + '/^([01])([0-9][0-9][0-9][0-9])00000([0-9])([0-9])$/', + $data, $m + )) { + return $m[1] . $m[2] . $m[3] . '4' . $m[4]; + } + if (preg_match( + '/^([01])([0-9][0-9][0-9][0-9][0-9])0000([5-9])([0-9])$/', + $data, $m + )) { + return $m[1] . $m[2] . $m[3] . $m[4]; + } + return str_repeat('0', 8); + } + + private function ean_13_normalize($data) { + $data = preg_replace('/[^0-9*]/', '', $data); + /* Set length to 13 digits. */ + if (strlen($data) < 13) { + return '0' . $this->upc_a_normalize($data); + } else if (strlen($data) > 13) { + $left = substr($data, 0, 7); + $right = substr($data, -6); + $data = $left . $right; + } + /* Replace * with missing or check digit. */ + while (($o = strrpos($data, '*')) !== false) { + $checksum = 0; + for ($i = 0; $i < 13; $i++) { + $digit = substr($data, $i, 1); + $checksum += (($i % 2) ? 3 : 1) * $digit; + } + $checksum *= (($o % 2) ? 3 : 9); + $left = substr($data, 0, $o); + $center = substr($checksum, -1); + $right = substr($data, $o + 1); + $data = $left . $center . $right; + } + return $data; + } + + private function ean_8_normalize($data) { + $data = preg_replace('/[^0-9*]/', '', $data); + /* Set length to 8 digits. */ + if (strlen($data) < 8) { + $midpoint = floor(strlen($data) / 2); + $left = substr($data, 0, $midpoint); + $center = str_repeat('0', 8 - strlen($data)); + $right = substr($data, $midpoint); + $data = $left . $center . $right; + } else if (strlen($data) > 8) { + $left = substr($data, 0, 4); + $right = substr($data, -4); + $data = $left . $right; + } + /* Replace * with missing or check digit. */ + while (($o = strrpos($data, '*')) !== false) { + $checksum = 0; + for ($i = 0; $i < 8; $i++) { + $digit = substr($data, $i, 1); + $checksum += (($i % 2) ? 1 : 3) * $digit; + } + $checksum *= (($o % 2) ? 9 : 3); + $left = substr($data, 0, $o); + $center = substr($checksum, -1); + $right = substr($data, $o + 1); + $data = $left . $center . $right; + } + return $data; + } + + private $upc_alphabet = array( + '0' => array(3, 2, 1, 1), + '1' => array(2, 2, 2, 1), + '2' => array(2, 1, 2, 2), + '3' => array(1, 4, 1, 1), + '4' => array(1, 1, 3, 2), + '5' => array(1, 2, 3, 1), + '6' => array(1, 1, 1, 4), + '7' => array(1, 3, 1, 2), + '8' => array(1, 2, 1, 3), + '9' => array(3, 1, 1, 2), + ); + + private $upc_parity = array( + '0' => array(1, 1, 1, 0, 0, 0), + '1' => array(1, 1, 0, 1, 0, 0), + '2' => array(1, 1, 0, 0, 1, 0), + '3' => array(1, 1, 0, 0, 0, 1), + '4' => array(1, 0, 1, 1, 0, 0), + '5' => array(1, 0, 0, 1, 1, 0), + '6' => array(1, 0, 0, 0, 1, 1), + '7' => array(1, 0, 1, 0, 1, 0), + '8' => array(1, 0, 1, 0, 0, 1), + '9' => array(1, 0, 0, 1, 0, 1), + ); + + /* - - - - CODE 39 FAMILY ENCODER - - - - */ + + private function code_39_encode($data) { + $data = strtoupper(preg_replace('/[^0-9A-Za-z%$\/+ .-]/', '', $data)); + $blocks = array(); + /* Start */ + $blocks[] = array( + 'm' => array( + array(1, 1, 1), array(0, 1, 2), array(1, 1, 1), + array(0, 1, 1), array(1, 1, 2), array(0, 1, 1), + array(1, 1, 2), array(0, 1, 1), array(1, 1, 1), + ), + 'l' => array('*') + ); + /* Data */ + for ($i = 0, $n = strlen($data); $i < $n; $i++) { + $blocks[] = array( + 'm' => array(array(0, 1, 3)) + ); + $char = substr($data, $i, 1); + $block = $this->code_39_alphabet[$char]; + $blocks[] = array( + 'm' => array( + array(1, 1, $block[0]), + array(0, 1, $block[1]), + array(1, 1, $block[2]), + array(0, 1, $block[3]), + array(1, 1, $block[4]), + array(0, 1, $block[5]), + array(1, 1, $block[6]), + array(0, 1, $block[7]), + array(1, 1, $block[8]), + ), + 'l' => array($char) + ); + } + $blocks[] = array( + 'm' => array(array(0, 1, 3)) + ); + /* End */ + $blocks[] = array( + 'm' => array( + array(1, 1, 1), array(0, 1, 2), array(1, 1, 1), + array(0, 1, 1), array(1, 1, 2), array(0, 1, 1), + array(1, 1, 2), array(0, 1, 1), array(1, 1, 1), + ), + 'l' => array('*') + ); + /* Return */ + return array('g' => 'l', 'b' => $blocks); + } + + private function code_39_ascii_encode($data) { + $modules = array(); + /* Start */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 2); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 2); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 2); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + /* Data */ + $label = ''; + for ($i = 0, $n = strlen($data); $i < $n; $i++) { + $char = substr($data, $i, 1); + $ch = ord($char); + if ($ch < 128) { + if ($ch < 32 || $ch >= 127) { + $label .= ' '; + } else { + $label .= $char; + } + $ch = $this->code_39_asciibet[$ch]; + for ($j = 0, $m = strlen($ch); $j < $m; $j++) { + $c = substr($ch, $j, 1); + $b = $this->code_39_alphabet[$c]; + $modules[] = array(0, 1, 3); + $modules[] = array(1, 1, $b[0]); + $modules[] = array(0, 1, $b[1]); + $modules[] = array(1, 1, $b[2]); + $modules[] = array(0, 1, $b[3]); + $modules[] = array(1, 1, $b[4]); + $modules[] = array(0, 1, $b[5]); + $modules[] = array(1, 1, $b[6]); + $modules[] = array(0, 1, $b[7]); + $modules[] = array(1, 1, $b[8]); + } + } + } + $modules[] = array(0, 1, 3); + /* End */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 2); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 2); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 2); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + /* Return */ + $blocks = array(array('m' => $modules, 'l' => array($label))); + return array('g' => 'l', 'b' => $blocks); + } + + private function code_93_encode($data) { + $data = strtoupper(preg_replace('/[^0-9A-Za-z%+\/$ .-]/', '', $data)); + $modules = array(); + /* Start */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 4, 1); + $modules[] = array(0, 1, 1); + /* Data */ + $values = array(); + for ($i = 0, $n = strlen($data); $i < $n; $i++) { + $char = substr($data, $i, 1); + $block = $this->code_93_alphabet[$char]; + $modules[] = array(1, $block[0], 1); + $modules[] = array(0, $block[1], 1); + $modules[] = array(1, $block[2], 1); + $modules[] = array(0, $block[3], 1); + $modules[] = array(1, $block[4], 1); + $modules[] = array(0, $block[5], 1); + $values[] = $block[6]; + } + /* Check Digits */ + for ($i = 0; $i < 2; $i++) { + $index = count($values); + $weight = 0; + $checksum = 0; + while ($index) { + $index--; + $weight++; + $checksum += $weight * $values[$index]; + $checksum %= 47; + $weight %= ($i ? 15 : 20); + } + $values[] = $checksum; + } + $alphabet = array_values($this->code_93_alphabet); + for ($i = count($values) - 2, $n = count($values); $i < $n; $i++) { + $block = $alphabet[$values[$i]]; + $modules[] = array(1, $block[0], 1); + $modules[] = array(0, $block[1], 1); + $modules[] = array(1, $block[2], 1); + $modules[] = array(0, $block[3], 1); + $modules[] = array(1, $block[4], 1); + $modules[] = array(0, $block[5], 1); + } + /* End */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 4, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + /* Return */ + $blocks = array(array('m' => $modules, 'l' => array($data))); + return array('g' => 'l', 'b' => $blocks); + } + + private function code_93_ascii_encode($data) { + $modules = array(); + /* Start */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 4, 1); + $modules[] = array(0, 1, 1); + /* Data */ + $label = ''; + $values = array(); + for ($i = 0, $n = strlen($data); $i < $n; $i++) { + $char = substr($data, $i, 1); + $ch = ord($char); + if ($ch < 128) { + if ($ch < 32 || $ch >= 127) { + $label .= ' '; + } else { + $label .= $char; + } + $ch = $this->code_93_asciibet[$ch]; + for ($j = 0, $m = strlen($ch); $j < $m; $j++) { + $c = substr($ch, $j, 1); + $b = $this->code_93_alphabet[$c]; + $modules[] = array(1, $b[0], 1); + $modules[] = array(0, $b[1], 1); + $modules[] = array(1, $b[2], 1); + $modules[] = array(0, $b[3], 1); + $modules[] = array(1, $b[4], 1); + $modules[] = array(0, $b[5], 1); + $values[] = $b[6]; + } + } + } + /* Check Digits */ + for ($i = 0; $i < 2; $i++) { + $index = count($values); + $weight = 0; + $checksum = 0; + while ($index) { + $index--; + $weight++; + $checksum += $weight * $values[$index]; + $checksum %= 47; + $weight %= ($i ? 15 : 20); + } + $values[] = $checksum; + } + $alphabet = array_values($this->code_93_alphabet); + for ($i = count($values) - 2, $n = count($values); $i < $n; $i++) { + $block = $alphabet[$values[$i]]; + $modules[] = array(1, $block[0], 1); + $modules[] = array(0, $block[1], 1); + $modules[] = array(1, $block[2], 1); + $modules[] = array(0, $block[3], 1); + $modules[] = array(1, $block[4], 1); + $modules[] = array(0, $block[5], 1); + } + /* End */ + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 4, 1); + $modules[] = array(0, 1, 1); + $modules[] = array(1, 1, 1); + /* Return */ + $blocks = array(array('m' => $modules, 'l' => array($label))); + return array('g' => 'l', 'b' => $blocks); + } + + private $code_39_alphabet = array( + '1' => array(2, 1, 1, 2, 1, 1, 1, 1, 2), + '2' => array(1, 1, 2, 2, 1, 1, 1, 1, 2), + '3' => array(2, 1, 2, 2, 1, 1, 1, 1, 1), + '4' => array(1, 1, 1, 2, 2, 1, 1, 1, 2), + '5' => array(2, 1, 1, 2, 2, 1, 1, 1, 1), + '6' => array(1, 1, 2, 2, 2, 1, 1, 1, 1), + '7' => array(1, 1, 1, 2, 1, 1, 2, 1, 2), + '8' => array(2, 1, 1, 2, 1, 1, 2, 1, 1), + '9' => array(1, 1, 2, 2, 1, 1, 2, 1, 1), + '0' => array(1, 1, 1, 2, 2, 1, 2, 1, 1), + 'A' => array(2, 1, 1, 1, 1, 2, 1, 1, 2), + 'B' => array(1, 1, 2, 1, 1, 2, 1, 1, 2), + 'C' => array(2, 1, 2, 1, 1, 2, 1, 1, 1), + 'D' => array(1, 1, 1, 1, 2, 2, 1, 1, 2), + 'E' => array(2, 1, 1, 1, 2, 2, 1, 1, 1), + 'F' => array(1, 1, 2, 1, 2, 2, 1, 1, 1), + 'G' => array(1, 1, 1, 1, 1, 2, 2, 1, 2), + 'H' => array(2, 1, 1, 1, 1, 2, 2, 1, 1), + 'I' => array(1, 1, 2, 1, 1, 2, 2, 1, 1), + 'J' => array(1, 1, 1, 1, 2, 2, 2, 1, 1), + 'K' => array(2, 1, 1, 1, 1, 1, 1, 2, 2), + 'L' => array(1, 1, 2, 1, 1, 1, 1, 2, 2), + 'M' => array(2, 1, 2, 1, 1, 1, 1, 2, 1), + 'N' => array(1, 1, 1, 1, 2, 1, 1, 2, 2), + 'O' => array(2, 1, 1, 1, 2, 1, 1, 2, 1), + 'P' => array(1, 1, 2, 1, 2, 1, 1, 2, 1), + 'Q' => array(1, 1, 1, 1, 1, 1, 2, 2, 2), + 'R' => array(2, 1, 1, 1, 1, 1, 2, 2, 1), + 'S' => array(1, 1, 2, 1, 1, 1, 2, 2, 1), + 'T' => array(1, 1, 1, 1, 2, 1, 2, 2, 1), + 'U' => array(2, 2, 1, 1, 1, 1, 1, 1, 2), + 'V' => array(1, 2, 2, 1, 1, 1, 1, 1, 2), + 'W' => array(2, 2, 2, 1, 1, 1, 1, 1, 1), + 'X' => array(1, 2, 1, 1, 2, 1, 1, 1, 2), + 'Y' => array(2, 2, 1, 1, 2, 1, 1, 1, 1), + 'Z' => array(1, 2, 2, 1, 2, 1, 1, 1, 1), + '-' => array(1, 2, 1, 1, 1, 1, 2, 1, 2), + '.' => array(2, 2, 1, 1, 1, 1, 2, 1, 1), + ' ' => array(1, 2, 2, 1, 1, 1, 2, 1, 1), + '*' => array(1, 2, 1, 1, 2, 1, 2, 1, 1), + '+' => array(1, 2, 1, 1, 1, 2, 1, 2, 1), + '/' => array(1, 2, 1, 2, 1, 1, 1, 2, 1), + '$' => array(1, 2, 1, 2, 1, 2, 1, 1, 1), + '%' => array(1, 1, 1, 2, 1, 2, 1, 2, 1), + ); + + private $code_39_asciibet = array( + '%U', '$A', '$B', '$C', '$D', '$E', '$F', '$G', + '$H', '$I', '$J', '$K', '$L', '$M', '$N', '$O', + '$P', '$Q', '$R', '$S', '$T', '$U', '$V', '$W', + '$X', '$Y', '$Z', '%A', '%B', '%C', '%D', '%E', + ' ' , '/A', '/B', '/C', '/D', '/E', '/F', '/G', + '/H', '/I', '/J', '/K', '/L', '-' , '.' , '/O', + '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , + '8' , '9' , '/Z', '%F', '%G', '%H', '%I', '%J', + '%V', 'A' , 'B' , 'C' , 'D' , 'E' , 'F' , 'G' , + 'H' , 'I' , 'J' , 'K' , 'L' , 'M' , 'N' , 'O' , + 'P' , 'Q' , 'R' , 'S' , 'T' , 'U' , 'V' , 'W' , + 'X' , 'Y' , 'Z' , '%K', '%L', '%M', '%N', '%O', + '%W', '+A', '+B', '+C', '+D', '+E', '+F', '+G', + '+H', '+I', '+J', '+K', '+L', '+M', '+N', '+O', + '+P', '+Q', '+R', '+S', '+T', '+U', '+V', '+W', + '+X', '+Y', '+Z', '%P', '%Q', '%R', '%S', '%T', + ); + + private $code_93_alphabet = array( + '0' => array(1, 3, 1, 1, 1, 2, 0), + '1' => array(1, 1, 1, 2, 1, 3, 1), + '2' => array(1, 1, 1, 3, 1, 2, 2), + '3' => array(1, 1, 1, 4, 1, 1, 3), + '4' => array(1, 2, 1, 1, 1, 3, 4), + '5' => array(1, 2, 1, 2, 1, 2, 5), + '6' => array(1, 2, 1, 3, 1, 1, 6), + '7' => array(1, 1, 1, 1, 1, 4, 7), + '8' => array(1, 3, 1, 2, 1, 1, 8), + '9' => array(1, 4, 1, 1, 1, 1, 9), + 'A' => array(2, 1, 1, 1, 1, 3, 10), + 'B' => array(2, 1, 1, 2, 1, 2, 11), + 'C' => array(2, 1, 1, 3, 1, 1, 12), + 'D' => array(2, 2, 1, 1, 1, 2, 13), + 'E' => array(2, 2, 1, 2, 1, 1, 14), + 'F' => array(2, 3, 1, 1, 1, 1, 15), + 'G' => array(1, 1, 2, 1, 1, 3, 16), + 'H' => array(1, 1, 2, 2, 1, 2, 17), + 'I' => array(1, 1, 2, 3, 1, 1, 18), + 'J' => array(1, 2, 2, 1, 1, 2, 19), + 'K' => array(1, 3, 2, 1, 1, 1, 20), + 'L' => array(1, 1, 1, 1, 2, 3, 21), + 'M' => array(1, 1, 1, 2, 2, 2, 22), + 'N' => array(1, 1, 1, 3, 2, 1, 23), + 'O' => array(1, 2, 1, 1, 2, 2, 24), + 'P' => array(1, 3, 1, 1, 2, 1, 25), + 'Q' => array(2, 1, 2, 1, 1, 2, 26), + 'R' => array(2, 1, 2, 2, 1, 1, 27), + 'S' => array(2, 1, 1, 1, 2, 2, 28), + 'T' => array(2, 1, 1, 2, 2, 1, 29), + 'U' => array(2, 2, 1, 1, 2, 1, 30), + 'V' => array(2, 2, 2, 1, 1, 1, 31), + 'W' => array(1, 1, 2, 1, 2, 2, 32), + 'X' => array(1, 1, 2, 2, 2, 1, 33), + 'Y' => array(1, 2, 2, 1, 2, 1, 34), + 'Z' => array(1, 2, 3, 1, 1, 1, 35), + '-' => array(1, 2, 1, 1, 3, 1, 36), + '.' => array(3, 1, 1, 1, 1, 2, 37), + ' ' => array(3, 1, 1, 2, 1, 1, 38), + '$' => array(3, 2, 1, 1, 1, 1, 39), + '/' => array(1, 1, 2, 1, 3, 1, 40), + '+' => array(1, 1, 3, 1, 2, 1, 41), + '%' => array(2, 1, 1, 1, 3, 1, 42), + '#' => array(1, 2, 1, 2, 2, 1, 43), /* ($) */ + '&' => array(3, 1, 2, 1, 1, 1, 44), /* (%) */ + '|' => array(3, 1, 1, 1, 2, 1, 45), /* (/) */ + '=' => array(1, 2, 2, 2, 1, 1, 46), /* (+) */ + '*' => array(1, 1, 1, 1, 4, 1, 0), + ); + + private $code_93_asciibet = array( + '&U', '#A', '#B', '#C', '#D', '#E', '#F', '#G', + '#H', '#I', '#J', '#K', '#L', '#M', '#N', '#O', + '#P', '#Q', '#R', '#S', '#T', '#U', '#V', '#W', + '#X', '#Y', '#Z', '&A', '&B', '&C', '&D', '&E', + ' ' , '|A', '|B', '|C', '$' , '%' , '|F', '|G', + '|H', '|I', '|J', '+' , '|L', '-' , '.' , '/' , + '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , + '8' , '9' , '|Z', '&F', '&G', '&H', '&I', '&J', + '&V', 'A' , 'B' , 'C' , 'D' , 'E' , 'F' , 'G' , + 'H' , 'I' , 'J' , 'K' , 'L' , 'M' , 'N' , 'O' , + 'P' , 'Q' , 'R' , 'S' , 'T' , 'U' , 'V' , 'W' , + 'X' , 'Y' , 'Z' , '&K', '&L', '&M', '&N', '&O', + '&W', '=A', '=B', '=C', '=D', '=E', '=F', '=G', + '=H', '=I', '=J', '=K', '=L', '=M', '=N', '=O', + '=P', '=Q', '=R', '=S', '=T', '=U', '=V', '=W', + '=X', '=Y', '=Z', '&P', '&Q', '&R', '&S', '&T', + ); + + /* - - - - CODE 128 ENCODER - - - - */ + + private function code_128_encode($data, $dstate, $fnc1) { + $data = preg_replace('/[\x80-\xFF]/', '', $data); + $label = preg_replace('/[\x00-\x1F\x7F]/', ' ', $data); + $chars = $this->code_128_normalize($data, $dstate, $fnc1); + $checksum = $chars[0] % 103; + for ($i = 1, $n = count($chars); $i < $n; $i++) { + $checksum += $i * $chars[$i]; + $checksum %= 103; + } + $chars[] = $checksum; + $chars[] = 106; + $modules = array(); + $modules[] = array(0, 10, 0); + foreach ($chars as $char) { + $block = $this->code_128_alphabet[$char]; + foreach ($block as $i => $module) { + $modules[] = array(($i & 1) ^ 1, $module, 1); + } + } + $modules[] = array(0, 10, 0); + $blocks = array(array('m' => $modules, 'l' => array($label))); + return array('g' => 'l', 'b' => $blocks); + } + + private function code_128_normalize($data, $dstate, $fnc1) { + $detectcba = '/(^[0-9]{4,}|^[0-9]{2}$)|([\x60-\x7F])|([\x00-\x1F])/'; + $detectc = '/(^[0-9]{6,}|^[0-9]{4,}$)/'; + $detectba = '/([\x60-\x7F])|([\x00-\x1F])/'; + $consumec = '/(^[0-9]{2})/'; + $state = (($dstate > 0 && $dstate < 4) ? $dstate : 0); + $abstate = ((abs($dstate) == 2) ? 2 : 1); + $chars = array(102 + ($state ? $state : $abstate)); + if ($fnc1) $chars[] = 102; + while (strlen($data)) { + switch ($state) { + case 0: + if (preg_match($detectcba, $data, $m)) { + if ($m[1]) { + $state = 3; + } else if ($m[2]) { + $state = 2; + } else { + $state = 1; + } + } else { + $state = $abstate; + } + $chars = array(102 + $state); + if ($fnc1) $chars[] = 102; + break; + case 1: + if ($dstate <= 0 && preg_match($detectc, $data, $m)) { + if (strlen($m[0]) % 2) { + $data = substr($data, 1); + $chars[] = 16 + substr($m[0], 0, 1); + } + $state = 3; + $chars[] = 99; + } else { + $ch = ord(substr($data, 0, 1)); + $data = substr($data, 1); + if ($ch < 32) { + $chars[] = $ch + 64; + } else if ($ch < 96) { + $chars[] = $ch - 32; + } else { + if (preg_match($detectba, $data, $m)) { + if ($m[1]) { + $state = 2; + $chars[] = 100; + } else { + $chars[] = 98; + } + } else { + $chars[] = 98; + } + $chars[] = $ch - 32; + } + } + break; + case 2: + if ($dstate <= 0 && preg_match($detectc, $data, $m)) { + if (strlen($m[0]) % 2) { + $data = substr($data, 1); + $chars[] = 16 + substr($m[0], 0, 1); + } + $state = 3; + $chars[] = 99; + } else { + $ch = ord(substr($data, 0, 1)); + $data = substr($data, 1); + if ($ch >= 32) { + $chars[] = $ch - 32; + } else { + if (preg_match($detectba, $data, $m)) { + if ($m[2]) { + $state = 1; + $chars[] = 101; + } else { + $chars[] = 98; + } + } else { + $chars[] = 98; + } + $chars[] = $ch + 64; + } + } + break; + case 3: + if (preg_match($consumec, $data, $m)) { + $data = substr($data, 2); + $chars[] = (int)$m[0]; + } else { + if (preg_match($detectba, $data, $m)) { + if ($m[1]) { + $state = 2; + } else { + $state = 1; + } + } else { + $state = $abstate; + } + $chars[] = 102 - $state; + } + break; + } + } + return $chars; + } + + private $code_128_alphabet = array( + array(2, 1, 2, 2, 2, 2), array(2, 2, 2, 1, 2, 2), + array(2, 2, 2, 2, 2, 1), array(1, 2, 1, 2, 2, 3), + array(1, 2, 1, 3, 2, 2), array(1, 3, 1, 2, 2, 2), + array(1, 2, 2, 2, 1, 3), array(1, 2, 2, 3, 1, 2), + array(1, 3, 2, 2, 1, 2), array(2, 2, 1, 2, 1, 3), + array(2, 2, 1, 3, 1, 2), array(2, 3, 1, 2, 1, 2), + array(1, 1, 2, 2, 3, 2), array(1, 2, 2, 1, 3, 2), + array(1, 2, 2, 2, 3, 1), array(1, 1, 3, 2, 2, 2), + array(1, 2, 3, 1, 2, 2), array(1, 2, 3, 2, 2, 1), + array(2, 2, 3, 2, 1, 1), array(2, 2, 1, 1, 3, 2), + array(2, 2, 1, 2, 3, 1), array(2, 1, 3, 2, 1, 2), + array(2, 2, 3, 1, 1, 2), array(3, 1, 2, 1, 3, 1), + array(3, 1, 1, 2, 2, 2), array(3, 2, 1, 1, 2, 2), + array(3, 2, 1, 2, 2, 1), array(3, 1, 2, 2, 1, 2), + array(3, 2, 2, 1, 1, 2), array(3, 2, 2, 2, 1, 1), + array(2, 1, 2, 1, 2, 3), array(2, 1, 2, 3, 2, 1), + array(2, 3, 2, 1, 2, 1), array(1, 1, 1, 3, 2, 3), + array(1, 3, 1, 1, 2, 3), array(1, 3, 1, 3, 2, 1), + array(1, 1, 2, 3, 1, 3), array(1, 3, 2, 1, 1, 3), + array(1, 3, 2, 3, 1, 1), array(2, 1, 1, 3, 1, 3), + array(2, 3, 1, 1, 1, 3), array(2, 3, 1, 3, 1, 1), + array(1, 1, 2, 1, 3, 3), array(1, 1, 2, 3, 3, 1), + array(1, 3, 2, 1, 3, 1), array(1, 1, 3, 1, 2, 3), + array(1, 1, 3, 3, 2, 1), array(1, 3, 3, 1, 2, 1), + array(3, 1, 3, 1, 2, 1), array(2, 1, 1, 3, 3, 1), + array(2, 3, 1, 1, 3, 1), array(2, 1, 3, 1, 1, 3), + array(2, 1, 3, 3, 1, 1), array(2, 1, 3, 1, 3, 1), + array(3, 1, 1, 1, 2, 3), array(3, 1, 1, 3, 2, 1), + array(3, 3, 1, 1, 2, 1), array(3, 1, 2, 1, 1, 3), + array(3, 1, 2, 3, 1, 1), array(3, 3, 2, 1, 1, 1), + array(3, 1, 4, 1, 1, 1), array(2, 2, 1, 4, 1, 1), + array(4, 3, 1, 1, 1, 1), array(1, 1, 1, 2, 2, 4), + array(1, 1, 1, 4, 2, 2), array(1, 2, 1, 1, 2, 4), + array(1, 2, 1, 4, 2, 1), array(1, 4, 1, 1, 2, 2), + array(1, 4, 1, 2, 2, 1), array(1, 1, 2, 2, 1, 4), + array(1, 1, 2, 4, 1, 2), array(1, 2, 2, 1, 1, 4), + array(1, 2, 2, 4, 1, 1), array(1, 4, 2, 1, 1, 2), + array(1, 4, 2, 2, 1, 1), array(2, 4, 1, 2, 1, 1), + array(2, 2, 1, 1, 1, 4), array(4, 1, 3, 1, 1, 1), + array(2, 4, 1, 1, 1, 2), array(1, 3, 4, 1, 1, 1), + array(1, 1, 1, 2, 4, 2), array(1, 2, 1, 1, 4, 2), + array(1, 2, 1, 2, 4, 1), array(1, 1, 4, 2, 1, 2), + array(1, 2, 4, 1, 1, 2), array(1, 2, 4, 2, 1, 1), + array(4, 1, 1, 2, 1, 2), array(4, 2, 1, 1, 1, 2), + array(4, 2, 1, 2, 1, 1), array(2, 1, 2, 1, 4, 1), + array(2, 1, 4, 1, 2, 1), array(4, 1, 2, 1, 2, 1), + array(1, 1, 1, 1, 4, 3), array(1, 1, 1, 3, 4, 1), + array(1, 3, 1, 1, 4, 1), array(1, 1, 4, 1, 1, 3), + array(1, 1, 4, 3, 1, 1), array(4, 1, 1, 1, 1, 3), + array(4, 1, 1, 3, 1, 1), array(1, 1, 3, 1, 4, 1), + array(1, 1, 4, 1, 3, 1), array(3, 1, 1, 1, 4, 1), + array(4, 1, 1, 1, 3, 1), array(2, 1, 1, 4, 1, 2), + array(2, 1, 1, 2, 1, 4), array(2, 1, 1, 2, 3, 2), + array(2, 3, 3, 1, 1, 1, 2) + ); + + /* - - - - CODABAR ENCODER - - - - */ + + private function codabar_encode($data) { + $data = strtoupper(preg_replace( + '/[^0-9ABCDENTabcdent*.\/:+$-]/', '', $data + )); + $blocks = array(); + for ($i = 0, $n = strlen($data); $i < $n; $i++) { + if ($blocks) { + $blocks[] = array( + 'm' => array(array(0, 1, 3)) + ); + } + $char = substr($data, $i, 1); + $block = $this->codabar_alphabet[$char]; + $blocks[] = array( + 'm' => array( + array(1, 1, $block[0]), + array(0, 1, $block[1]), + array(1, 1, $block[2]), + array(0, 1, $block[3]), + array(1, 1, $block[4]), + array(0, 1, $block[5]), + array(1, 1, $block[6]), + ), + 'l' => array($char) + ); + } + return array('g' => 'l', 'b' => $blocks); + } + + private $codabar_alphabet = array( + '0' => array(1, 1, 1, 1, 1, 2, 2), + '1' => array(1, 1, 1, 1, 2, 2, 1), + '4' => array(1, 1, 2, 1, 1, 2, 1), + '5' => array(2, 1, 1, 1, 1, 2, 1), + '2' => array(1, 1, 1, 2, 1, 1, 2), + '-' => array(1, 1, 1, 2, 2, 1, 1), + '$' => array(1, 1, 2, 2, 1, 1, 1), + '9' => array(2, 1, 1, 2, 1, 1, 1), + '6' => array(1, 2, 1, 1, 1, 1, 2), + '7' => array(1, 2, 1, 1, 2, 1, 1), + '8' => array(1, 2, 2, 1, 1, 1, 1), + '3' => array(2, 2, 1, 1, 1, 1, 1), + 'C' => array(1, 1, 1, 2, 1, 2, 2), + 'D' => array(1, 1, 1, 2, 2, 2, 1), + 'A' => array(1, 1, 2, 2, 1, 2, 1), + 'B' => array(1, 2, 1, 2, 1, 1, 2), + '*' => array(1, 1, 1, 2, 1, 2, 2), + 'E' => array(1, 1, 1, 2, 2, 2, 1), + 'T' => array(1, 1, 2, 2, 1, 2, 1), + 'N' => array(1, 2, 1, 2, 1, 1, 2), + '.' => array(2, 1, 2, 1, 2, 1, 1), + '/' => array(2, 1, 2, 1, 1, 1, 2), + ':' => array(2, 1, 1, 1, 2, 1, 2), + '+' => array(1, 1, 2, 1, 2, 1, 2), + ); + + /* - - - - ITF ENCODER - - - - */ + + private function itf_encode($data) { + $data = preg_replace('/[^0-9]/', '', $data); + if (strlen($data) % 2) $data = '0' . $data; + $blocks = array(); + /* Quiet zone, start. */ + $blocks[] = array( + 'm' => array(array(0, 10, 0)) + ); + $blocks[] = array( + 'm' => array( + array(1, 1, 1), + array(0, 1, 1), + array(1, 1, 1), + array(0, 1, 1), + ) + ); + /* Data. */ + for ($i = 0, $n = strlen($data); $i < $n; $i += 2) { + $c1 = substr($data, $i, 1); + $c2 = substr($data, $i+1, 1); + $b1 = $this->itf_alphabet[$c1]; + $b2 = $this->itf_alphabet[$c2]; + $blocks[] = array( + 'm' => array( + array(1, 1, $b1[0]), + array(0, 1, $b2[0]), + array(1, 1, $b1[1]), + array(0, 1, $b2[1]), + array(1, 1, $b1[2]), + array(0, 1, $b2[2]), + array(1, 1, $b1[3]), + array(0, 1, $b2[3]), + array(1, 1, $b1[4]), + array(0, 1, $b2[4]), + ), + 'l' => array($c1 . $c2) + ); + } + /* End, quiet zone. */ + $blocks[] = array( + 'm' => array( + array(1, 1, 2), + array(0, 1, 1), + array(1, 1, 1), + ) + ); + $blocks[] = array( + 'm' => array(array(0, 10, 0)) + ); + /* Return code. */ + return array('g' => 'l', 'b' => $blocks); + } + + private $itf_alphabet = array( + '0' => array(1, 1, 2, 2, 1), + '1' => array(2, 1, 1, 1, 2), + '2' => array(1, 2, 1, 1, 2), + '3' => array(2, 2, 1, 1, 1), + '4' => array(1, 1, 2, 1, 2), + '5' => array(2, 1, 2, 1, 1), + '6' => array(1, 2, 2, 1, 1), + '7' => array(1, 1, 1, 2, 2), + '8' => array(2, 1, 1, 2, 1), + '9' => array(1, 2, 1, 2, 1), + ); + + /* - - - - QR ENCODER - - - - */ + + private function qr_encode($data, $ecl) { + list($mode, $vers, $ec, $data) = $this->qr_encode_data($data, $ecl); + $data = $this->qr_encode_ec($data, $ec, $vers); + list($size, $mtx) = $this->qr_create_matrix($vers, $data); + list($mask, $mtx) = $this->qr_apply_best_mask($mtx, $size); + $mtx = $this->qr_finalize_matrix($mtx, $size, $ecl, $mask, $vers); + return array( + 'g' => 'm', + 'q' => array(4, 4, 4, 4), + 's' => array($size, $size), + 'b' => $mtx + ); + } + + private function qr_encode_data($data, $ecl) { + $mode = $this->qr_detect_mode($data); + $version = $this->qr_detect_version($data, $mode, $ecl); + $version_group = (($version < 10) ? 0 : (($version < 27) ? 1 : 2)); + $ec_params = $this->qr_ec_params[($version - 1) * 4 + $ecl]; + /* Don't cut off mid-character if exceeding capacity. */ + $max_chars = $this->qr_capacity[$version - 1][$ecl][$mode]; + if ($mode == 3) $max_chars <<= 1; + $data = substr($data, 0, $max_chars); + /* Convert from character level to bit level. */ + switch ($mode) { + case 0: + $code = $this->qr_encode_numeric($data, $version_group); + break; + case 1: + $code = $this->qr_encode_alphanumeric($data, $version_group); + break; + case 2: + $code = $this->qr_encode_binary($data, $version_group); + break; + case 3: + $code = $this->qr_encode_kanji($data, $version_group); + break; + } + for ($i = 0; $i < 4; $i++) $code[] = 0; + while (count($code) % 8) $code[] = 0; + /* Convert from bit level to byte level. */ + $data = array(); + for ($i = 0, $n = count($code); $i < $n; $i += 8) { + $byte = 0; + if ($code[$i + 0]) $byte |= 0x80; + if ($code[$i + 1]) $byte |= 0x40; + if ($code[$i + 2]) $byte |= 0x20; + if ($code[$i + 3]) $byte |= 0x10; + if ($code[$i + 4]) $byte |= 0x08; + if ($code[$i + 5]) $byte |= 0x04; + if ($code[$i + 6]) $byte |= 0x02; + if ($code[$i + 7]) $byte |= 0x01; + $data[] = $byte; + } + for ( + $i = count($data), $a = 1, $n = $ec_params[0]; + $i < $n; $i++, $a ^= 1 + ) { + $data[] = $a ? 236 : 17; + } + /* Return. */ + return array($mode, $version, $ec_params, $data); + } + + private function qr_detect_mode($data) { + $numeric = '/^[0-9]*$/'; + $alphanumeric = '/^[0-9A-Z .\/:$%*+-]*$/'; + $kanji = '/^([\x81-\x9F\xE0-\xEA][\x40-\xFC]|[\xEB][\x40-\xBF])*$/'; + if (preg_match($numeric, $data)) return 0; + if (preg_match($alphanumeric, $data)) return 1; + if (preg_match($kanji, $data)) return 3; + return 2; + } + + private function qr_detect_version($data, $mode, $ecl) { + $length = strlen($data); + if ($mode == 3) $length >>= 1; + for ($v = 0; $v < 40; $v++) { + if ($length <= $this->qr_capacity[$v][$ecl][$mode]) { + return $v + 1; + } + } + return 40; + } + + private function qr_encode_numeric($data, $version_group) { + $code = array(0, 0, 0, 1); + $length = strlen($data); + switch ($version_group) { + case 2: /* 27 - 40 */ + $code[] = $length & 0x2000; + $code[] = $length & 0x1000; + case 1: /* 10 - 26 */ + $code[] = $length & 0x0800; + $code[] = $length & 0x0400; + case 0: /* 1 - 9 */ + $code[] = $length & 0x0200; + $code[] = $length & 0x0100; + $code[] = $length & 0x0080; + $code[] = $length & 0x0040; + $code[] = $length & 0x0020; + $code[] = $length & 0x0010; + $code[] = $length & 0x0008; + $code[] = $length & 0x0004; + $code[] = $length & 0x0002; + $code[] = $length & 0x0001; + } + for ($i = 0; $i < $length; $i += 3) { + $group = substr($data, $i, 3); + switch (strlen($group)) { + case 3: + $code[] = $group & 0x200; + $code[] = $group & 0x100; + $code[] = $group & 0x080; + case 2: + $code[] = $group & 0x040; + $code[] = $group & 0x020; + $code[] = $group & 0x010; + case 1: + $code[] = $group & 0x008; + $code[] = $group & 0x004; + $code[] = $group & 0x002; + $code[] = $group & 0x001; + } + } + return $code; + } + + private function qr_encode_alphanumeric($data, $version_group) { + $alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:'; + $code = array(0, 0, 1, 0); + $length = strlen($data); + switch ($version_group) { + case 2: /* 27 - 40 */ + $code[] = $length & 0x1000; + $code[] = $length & 0x0800; + case 1: /* 10 - 26 */ + $code[] = $length & 0x0400; + $code[] = $length & 0x0200; + case 0: /* 1 - 9 */ + $code[] = $length & 0x0100; + $code[] = $length & 0x0080; + $code[] = $length & 0x0040; + $code[] = $length & 0x0020; + $code[] = $length & 0x0010; + $code[] = $length & 0x0008; + $code[] = $length & 0x0004; + $code[] = $length & 0x0002; + $code[] = $length & 0x0001; + } + for ($i = 0; $i < $length; $i += 2) { + $group = substr($data, $i, 2); + if (strlen($group) > 1) { + $c1 = strpos($alphabet, substr($group, 0, 1)); + $c2 = strpos($alphabet, substr($group, 1, 1)); + $ch = $c1 * 45 + $c2; + $code[] = $ch & 0x400; + $code[] = $ch & 0x200; + $code[] = $ch & 0x100; + $code[] = $ch & 0x080; + $code[] = $ch & 0x040; + $code[] = $ch & 0x020; + $code[] = $ch & 0x010; + $code[] = $ch & 0x008; + $code[] = $ch & 0x004; + $code[] = $ch & 0x002; + $code[] = $ch & 0x001; + } else { + $ch = strpos($alphabet, $group); + $code[] = $ch & 0x020; + $code[] = $ch & 0x010; + $code[] = $ch & 0x008; + $code[] = $ch & 0x004; + $code[] = $ch & 0x002; + $code[] = $ch & 0x001; + } + } + return $code; + } + + private function qr_encode_binary($data, $version_group) { + $code = array(0, 1, 0, 0); + $length = strlen($data); + switch ($version_group) { + case 2: /* 27 - 40 */ + case 1: /* 10 - 26 */ + $code[] = $length & 0x8000; + $code[] = $length & 0x4000; + $code[] = $length & 0x2000; + $code[] = $length & 0x1000; + $code[] = $length & 0x0800; + $code[] = $length & 0x0400; + $code[] = $length & 0x0200; + $code[] = $length & 0x0100; + case 0: /* 1 - 9 */ + $code[] = $length & 0x0080; + $code[] = $length & 0x0040; + $code[] = $length & 0x0020; + $code[] = $length & 0x0010; + $code[] = $length & 0x0008; + $code[] = $length & 0x0004; + $code[] = $length & 0x0002; + $code[] = $length & 0x0001; + } + for ($i = 0; $i < $length; $i++) { + $ch = ord(substr($data, $i, 1)); + $code[] = $ch & 0x80; + $code[] = $ch & 0x40; + $code[] = $ch & 0x20; + $code[] = $ch & 0x10; + $code[] = $ch & 0x08; + $code[] = $ch & 0x04; + $code[] = $ch & 0x02; + $code[] = $ch & 0x01; + } + return $code; + } + + private function qr_encode_kanji($data, $version_group) { + $code = array(1, 0, 0, 0); + $length = strlen($data); + switch ($version_group) { + case 2: /* 27 - 40 */ + $code[] = $length & 0x1000; + $code[] = $length & 0x0800; + case 1: /* 10 - 26 */ + $code[] = $length & 0x0400; + $code[] = $length & 0x0200; + case 0: /* 1 - 9 */ + $code[] = $length & 0x0100; + $code[] = $length & 0x0080; + $code[] = $length & 0x0040; + $code[] = $length & 0x0020; + $code[] = $length & 0x0010; + $code[] = $length & 0x0008; + $code[] = $length & 0x0004; + $code[] = $length & 0x0002; + } + for ($i = 0; $i < $length; $i += 2) { + $group = substr($data, $i, 2); + $c1 = ord(substr($group, 0, 1)); + $c2 = ord(substr($group, 1, 1)); + if ($c1 >= 0x81 && $c1 <= 0x9F && $c2 >= 0x40 && $c2 <= 0xFC) { + $ch = ($c1 - 0x81) * 0xC0 + ($c2 - 0x40); + } else if ( + ($c1 >= 0xE0 && $c1 <= 0xEA && $c2 >= 0x40 && $c2 <= 0xFC) || + ($c1 == 0xEB && $c2 >= 0x40 && $c2 <= 0xBF) + ) { + $ch = ($c1 - 0xC1) * 0xC0 + ($c2 - 0x40); + } else { + $ch = 0; + } + $code[] = $ch & 0x1000; + $code[] = $ch & 0x0800; + $code[] = $ch & 0x0400; + $code[] = $ch & 0x0200; + $code[] = $ch & 0x0100; + $code[] = $ch & 0x0080; + $code[] = $ch & 0x0040; + $code[] = $ch & 0x0020; + $code[] = $ch & 0x0010; + $code[] = $ch & 0x0008; + $code[] = $ch & 0x0004; + $code[] = $ch & 0x0002; + $code[] = $ch & 0x0001; + } + return $code; + } + + private function qr_encode_ec($data, $ec_params, $version) { + $blocks = $this->qr_ec_split($data, $ec_params); + $ec_blocks = array(); + for ($i = 0, $n = count($blocks); $i < $n; $i++) { + $ec_blocks[] = $this->qr_ec_divide($blocks[$i], $ec_params); + } + $data = $this->qr_ec_interleave($blocks); + $ec_data = $this->qr_ec_interleave($ec_blocks); + $code = array(); + foreach ($data as $ch) { + $code[] = $ch & 0x80; + $code[] = $ch & 0x40; + $code[] = $ch & 0x20; + $code[] = $ch & 0x10; + $code[] = $ch & 0x08; + $code[] = $ch & 0x04; + $code[] = $ch & 0x02; + $code[] = $ch & 0x01; + } + foreach ($ec_data as $ch) { + $code[] = $ch & 0x80; + $code[] = $ch & 0x40; + $code[] = $ch & 0x20; + $code[] = $ch & 0x10; + $code[] = $ch & 0x08; + $code[] = $ch & 0x04; + $code[] = $ch & 0x02; + $code[] = $ch & 0x01; + } + for ($n = $this->qr_remainder_bits[$version - 1]; $n > 0; $n--) { + $code[] = 0; + } + return $code; + } + + private function qr_ec_split($data, $ec_params) { + $blocks = array(); + $offset = 0; + for ($i = $ec_params[2], $length = $ec_params[3]; $i > 0; $i--) { + $blocks[] = array_slice($data, $offset, $length); + $offset += $length; + } + for ($i = $ec_params[4], $length = $ec_params[5]; $i > 0; $i--) { + $blocks[] = array_slice($data, $offset, $length); + $offset += $length; + } + return $blocks; + } + + private function qr_ec_divide($data, $ec_params) { + $num_data = count($data); + $num_error = $ec_params[1]; + $generator = $this->qr_ec_polynomials[$num_error]; + $message = $data; + for ($i = 0; $i < $num_error; $i++) { + $message[] = 0; + } + for ($i = 0; $i < $num_data; $i++) { + if ($message[$i]) { + $leadterm = $this->qr_log[$message[$i]]; + for ($j = 0; $j <= $num_error; $j++) { + $term = ($generator[$j] + $leadterm) % 255; + $message[$i + $j] ^= $this->qr_exp[$term]; + } + } + } + return array_slice($message, $num_data, $num_error); + } + + private function qr_ec_interleave($blocks) { + $data = array(); + $num_blocks = count($blocks); + for ($offset = 0; true; $offset++) { + $break = true; + for ($i = 0; $i < $num_blocks; $i++) { + if (isset($blocks[$i][$offset])) { + $data[] = $blocks[$i][$offset]; + $break = false; + } + } + if ($break) break; + } + return $data; + } + + private function qr_create_matrix($version, $data) { + $size = $version * 4 + 17; + $matrix = array(); + for ($i = 0; $i < $size; $i++) { + $row = array(); + for ($j = 0; $j < $size; $j++) { + $row[] = 0; + } + $matrix[] = $row; + } + /* Finder patterns. */ + for ($i = 0; $i < 8; $i++) { + for ($j = 0; $j < 8; $j++) { + $m = (($i == 7 || $j == 7) ? 2 : + (($i == 0 || $j == 0 || $i == 6 || $j == 6) ? 3 : + (($i == 1 || $j == 1 || $i == 5 || $j == 5) ? 2 : 3))); + $matrix[$i][$j] = $m; + $matrix[$size - $i - 1][$j] = $m; + $matrix[$i][$size - $j - 1] = $m; + } + } + /* Alignment patterns. */ + if ($version >= 2) { + $alignment = $this->qr_alignment_patterns[$version - 2]; + foreach ($alignment as $i) { + foreach ($alignment as $j) { + if (!$matrix[$i][$j]) { + for ($ii = -2; $ii <= 2; $ii++) { + for ($jj = -2; $jj <= 2; $jj++) { + $m = (max(abs($ii), abs($jj)) & 1) ^ 3; + $matrix[$i + $ii][$j + $jj] = $m; + } + } + } + } + } + } + /* Timing patterns. */ + for ($i = $size - 9; $i >= 8; $i--) { + $matrix[$i][6] = ($i & 1) ^ 3; + $matrix[6][$i] = ($i & 1) ^ 3; + } + /* Dark module. Such an ominous name for such an innocuous thing. */ + $matrix[$size - 8][8] = 3; + /* Format information area. */ + for ($i = 0; $i <= 8; $i++) { + if (!$matrix[$i][8]) $matrix[$i][8] = 1; + if (!$matrix[8][$i]) $matrix[8][$i] = 1; + if ($i && !$matrix[$size - $i][8]) $matrix[$size - $i][8] = 1; + if ($i && !$matrix[8][$size - $i]) $matrix[8][$size - $i] = 1; + } + /* Version information area. */ + if ($version >= 7) { + for ($i = 9; $i < 12; $i++) { + for ($j = 0; $j < 6; $j++) { + $matrix[$size - $i][$j] = 1; + $matrix[$j][$size - $i] = 1; + } + } + } + /* Data. */ + $col = $size - 1; + $row = $size - 1; + $dir = -1; + $offset = 0; + $length = count($data); + while ($col > 0 && $offset < $length) { + if (!$matrix[$row][$col]) { + $matrix[$row][$col] = $data[$offset] ? 5 : 4; + $offset++; + } + if (!$matrix[$row][$col - 1]) { + $matrix[$row][$col - 1] = $data[$offset] ? 5 : 4; + $offset++; + } + $row += $dir; + if ($row < 0 || $row >= $size) { + $dir = -$dir; + $row += $dir; + $col -= 2; + if ($col == 6) $col--; + } + } + return array($size, $matrix); + } + + private function qr_apply_best_mask($matrix, $size) { + $best_mask = 0; + $best_matrix = $this->qr_apply_mask($matrix, $size, $best_mask); + $best_penalty = $this->qr_penalty($best_matrix, $size); + for ($test_mask = 1; $test_mask < 8; $test_mask++) { + $test_matrix = $this->qr_apply_mask($matrix, $size, $test_mask); + $test_penalty = $this->qr_penalty($test_matrix, $size); + if ($test_penalty < $best_penalty) { + $best_mask = $test_mask; + $best_matrix = $test_matrix; + $best_penalty = $test_penalty; + } + } + return array($best_mask, $best_matrix); + } + + private function qr_apply_mask($matrix, $size, $mask) { + for ($i = 0; $i < $size; $i++) { + for ($j = 0; $j < $size; $j++) { + if ($matrix[$i][$j] >= 4) { + if ($this->qr_mask($mask, $i, $j)) { + $matrix[$i][$j] ^= 1; + } + } + } + } + return $matrix; + } + + private function qr_mask($mask, $r, $c) { + switch ($mask) { + case 0: return !( ($r + $c) % 2 ); + case 1: return !( ($r ) % 2 ); + case 2: return !( ( $c) % 3 ); + case 3: return !( ($r + $c) % 3 ); + case 4: return !( (floor(($r) / 2) + floor(($c) / 3)) % 2 ); + case 5: return !( ((($r * $c) % 2) + (($r * $c) % 3)) ); + case 6: return !( ((($r * $c) % 2) + (($r * $c) % 3)) % 2 ); + case 7: return !( ((($r + $c) % 2) + (($r * $c) % 3)) % 2 ); + } + } + + private function qr_penalty(&$matrix, $size) { + $score = $this->qr_penalty_1($matrix, $size); + $score += $this->qr_penalty_2($matrix, $size); + $score += $this->qr_penalty_3($matrix, $size); + $score += $this->qr_penalty_4($matrix, $size); + return $score; + } + + private function qr_penalty_1(&$matrix, $size) { + $score = 0; + for ($i = 0; $i < $size; $i++) { + $rowvalue = 0; + $rowcount = 0; + $colvalue = 0; + $colcount = 0; + for ($j = 0; $j < $size; $j++) { + $rv = ($matrix[$i][$j] == 5 || $matrix[$i][$j] == 3) ? 1 : 0; + $cv = ($matrix[$j][$i] == 5 || $matrix[$j][$i] == 3) ? 1 : 0; + if ($rv == $rowvalue) { + $rowcount++; + } else { + if ($rowcount >= 5) $score += $rowcount - 2; + $rowvalue = $rv; + $rowcount = 1; + } + if ($cv == $colvalue) { + $colcount++; + } else { + if ($colcount >= 5) $score += $colcount - 2; + $colvalue = $cv; + $colcount = 1; + } + } + if ($rowcount >= 5) $score += $rowcount - 2; + if ($colcount >= 5) $score += $colcount - 2; + } + return $score; + } + + private function qr_penalty_2(&$matrix, $size) { + $score = 0; + for ($i = 1; $i < $size; $i++) { + for ($j = 1; $j < $size; $j++) { + $v1 = $matrix[$i - 1][$j - 1]; + $v2 = $matrix[$i - 1][$j ]; + $v3 = $matrix[$i ][$j - 1]; + $v4 = $matrix[$i ][$j ]; + $v1 = ($v1 == 5 || $v1 == 3) ? 1 : 0; + $v2 = ($v2 == 5 || $v2 == 3) ? 1 : 0; + $v3 = ($v3 == 5 || $v3 == 3) ? 1 : 0; + $v4 = ($v4 == 5 || $v4 == 3) ? 1 : 0; + if ($v1 == $v2 && $v2 == $v3 && $v3 == $v4) $score += 3; + } + } + return $score; + } + + private function qr_penalty_3(&$matrix, $size) { + $score = 0; + for ($i = 0; $i < $size; $i++) { + $rowvalue = 0; + $colvalue = 0; + for ($j = 0; $j < 11; $j++) { + $rv = ($matrix[$i][$j] == 5 || $matrix[$i][$j] == 3) ? 1 : 0; + $cv = ($matrix[$j][$i] == 5 || $matrix[$j][$i] == 3) ? 1 : 0; + $rowvalue = (($rowvalue << 1) & 0x7FF) | $rv; + $colvalue = (($colvalue << 1) & 0x7FF) | $cv; + } + if ($rowvalue == 0x5D0 || $rowvalue == 0x5D) $score += 40; + if ($colvalue == 0x5D0 || $colvalue == 0x5D) $score += 40; + for ($j = 11; $j < $size; $j++) { + $rv = ($matrix[$i][$j] == 5 || $matrix[$i][$j] == 3) ? 1 : 0; + $cv = ($matrix[$j][$i] == 5 || $matrix[$j][$i] == 3) ? 1 : 0; + $rowvalue = (($rowvalue << 1) & 0x7FF) | $rv; + $colvalue = (($colvalue << 1) & 0x7FF) | $cv; + if ($rowvalue == 0x5D0 || $rowvalue == 0x5D) $score += 40; + if ($colvalue == 0x5D0 || $colvalue == 0x5D) $score += 40; + } + } + return $score; + } + + private function qr_penalty_4(&$matrix, $size) { + $dark = 0; + for ($i = 0; $i < $size; $i++) { + for ($j = 0; $j < $size; $j++) { + if ($matrix[$i][$j] == 5 || $matrix[$i][$j] == 3) { + $dark++; + } + } + } + $dark *= 20; + $dark /= $size * $size; + $a = abs(floor($dark) - 10); + $b = abs(ceil($dark) - 10); + return min($a, $b) * 10; + } + + private function qr_finalize_matrix( + $matrix, $size, $ecl, $mask, $version + ) { + /* Format Info */ + $format = $this->qr_format_info[$ecl * 8 + $mask]; + $matrix[8][0] = $format[0]; + $matrix[8][1] = $format[1]; + $matrix[8][2] = $format[2]; + $matrix[8][3] = $format[3]; + $matrix[8][4] = $format[4]; + $matrix[8][5] = $format[5]; + $matrix[8][7] = $format[6]; + $matrix[8][8] = $format[7]; + $matrix[7][8] = $format[8]; + $matrix[5][8] = $format[9]; + $matrix[4][8] = $format[10]; + $matrix[3][8] = $format[11]; + $matrix[2][8] = $format[12]; + $matrix[1][8] = $format[13]; + $matrix[0][8] = $format[14]; + $matrix[$size - 1][8] = $format[0]; + $matrix[$size - 2][8] = $format[1]; + $matrix[$size - 3][8] = $format[2]; + $matrix[$size - 4][8] = $format[3]; + $matrix[$size - 5][8] = $format[4]; + $matrix[$size - 6][8] = $format[5]; + $matrix[$size - 7][8] = $format[6]; + $matrix[8][$size - 8] = $format[7]; + $matrix[8][$size - 7] = $format[8]; + $matrix[8][$size - 6] = $format[9]; + $matrix[8][$size - 5] = $format[10]; + $matrix[8][$size - 4] = $format[11]; + $matrix[8][$size - 3] = $format[12]; + $matrix[8][$size - 2] = $format[13]; + $matrix[8][$size - 1] = $format[14]; + /* Version Info */ + if ($version >= 7) { + $version = $this->qr_version_info[$version - 7]; + for ($i = 0; $i < 18; $i++) { + $r = $size - 9 - ($i % 3); + $c = 5 - floor($i / 3); + $matrix[$r][$c] = $version[$i]; + $matrix[$c][$r] = $version[$i]; + } + } + /* Patterns & Data */ + for ($i = 0; $i < $size; $i++) { + for ($j = 0; $j < $size; $j++) { + $matrix[$i][$j] &= 1; + } + } + return $matrix; + } + + /* maximum encodable characters = $qr_capacity [ (version - 1) ] */ + /* [ (0 for L, 1 for M, 2 for Q, 3 for H) ] */ + /* [ (0 for numeric, 1 for alpha, 2 for binary, 3 for kanji) ] */ + private $qr_capacity = array( + array(array( 41, 25, 17, 10), array( 34, 20, 14, 8), + array( 27, 16, 11, 7), array( 17, 10, 7, 4)), + array(array( 77, 47, 32, 20), array( 63, 38, 26, 16), + array( 48, 29, 20, 12), array( 34, 20, 14, 8)), + array(array( 127, 77, 53, 32), array( 101, 61, 42, 26), + array( 77, 47, 32, 20), array( 58, 35, 24, 15)), + array(array( 187, 114, 78, 48), array( 149, 90, 62, 38), + array( 111, 67, 46, 28), array( 82, 50, 34, 21)), + array(array( 255, 154, 106, 65), array( 202, 122, 84, 52), + array( 144, 87, 60, 37), array( 106, 64, 44, 27)), + array(array( 322, 195, 134, 82), array( 255, 154, 106, 65), + array( 178, 108, 74, 45), array( 139, 84, 58, 36)), + array(array( 370, 224, 154, 95), array( 293, 178, 122, 75), + array( 207, 125, 86, 53), array( 154, 93, 64, 39)), + array(array( 461, 279, 192, 118), array( 365, 221, 152, 93), + array( 259, 157, 108, 66), array( 202, 122, 84, 52)), + array(array( 552, 335, 230, 141), array( 432, 262, 180, 111), + array( 312, 189, 130, 80), array( 235, 143, 98, 60)), + array(array( 652, 395, 271, 167), array( 513, 311, 213, 131), + array( 364, 221, 151, 93), array( 288, 174, 119, 74)), + array(array( 772, 468, 321, 198), array( 604, 366, 251, 155), + array( 427, 259, 177, 109), array( 331, 200, 137, 85)), + array(array( 883, 535, 367, 226), array( 691, 419, 287, 177), + array( 489, 296, 203, 125), array( 374, 227, 155, 96)), + array(array(1022, 619, 425, 262), array( 796, 483, 331, 204), + array( 580, 352, 241, 149), array( 427, 259, 177, 109)), + array(array(1101, 667, 458, 282), array( 871, 528, 362, 223), + array( 621, 376, 258, 159), array( 468, 283, 194, 120)), + array(array(1250, 758, 520, 320), array( 991, 600, 412, 254), + array( 703, 426, 292, 180), array( 530, 321, 220, 136)), + array(array(1408, 854, 586, 361), array(1082, 656, 450, 277), + array( 775, 470, 322, 198), array( 602, 365, 250, 154)), + array(array(1548, 938, 644, 397), array(1212, 734, 504, 310), + array( 876, 531, 364, 224), array( 674, 408, 280, 173)), + array(array(1725, 1046, 718, 442), array(1346, 816, 560, 345), + array( 948, 574, 394, 243), array( 746, 452, 310, 191)), + array(array(1903, 1153, 792, 488), array(1500, 909, 624, 384), + array(1063, 644, 442, 272), array( 813, 493, 338, 208)), + array(array(2061, 1249, 858, 528), array(1600, 970, 666, 410), + array(1159, 702, 482, 297), array( 919, 557, 382, 235)), + array(array(2232, 1352, 929, 572), array(1708, 1035, 711, 438), + array(1224, 742, 509, 314), array( 969, 587, 403, 248)), + array(array(2409, 1460, 1003, 618), array(1872, 1134, 779, 480), + array(1358, 823, 565, 348), array(1056, 640, 439, 270)), + array(array(2620, 1588, 1091, 672), array(2059, 1248, 857, 528), + array(1468, 890, 611, 376), array(1108, 672, 461, 284)), + array(array(2812, 1704, 1171, 721), array(2188, 1326, 911, 561), + array(1588, 963, 661, 407), array(1228, 744, 511, 315)), + array(array(3057, 1853, 1273, 784), array(2395, 1451, 997, 614), + array(1718, 1041, 715, 440), array(1286, 779, 535, 330)), + array(array(3283, 1990, 1367, 842), array(2544, 1542, 1059, 652), + array(1804, 1094, 751, 462), array(1425, 864, 593, 365)), + array(array(3517, 2132, 1465, 902), array(2701, 1637, 1125, 692), + array(1933, 1172, 805, 496), array(1501, 910, 625, 385)), + array(array(3669, 2223, 1528, 940), array(2857, 1732, 1190, 732), + array(2085, 1263, 868, 534), array(1581, 958, 658, 405)), + array(array(3909, 2369, 1628, 1002), array(3035, 1839, 1264, 778), + array(2181, 1322, 908, 559), array(1677, 1016, 698, 430)), + array(array(4158, 2520, 1732, 1066), array(3289, 1994, 1370, 843), + array(2358, 1429, 982, 604), array(1782, 1080, 742, 457)), + array(array(4417, 2677, 1840, 1132), array(3486, 2113, 1452, 894), + array(2473, 1499, 1030, 634), array(1897, 1150, 790, 486)), + array(array(4686, 2840, 1952, 1201), array(3693, 2238, 1538, 947), + array(2670, 1618, 1112, 684), array(2022, 1226, 842, 518)), + array(array(4965, 3009, 2068, 1273), array(3909, 2369, 1628, 1002), + array(2805, 1700, 1168, 719), array(2157, 1307, 898, 553)), + array(array(5253, 3183, 2188, 1347), array(4134, 2506, 1722, 1060), + array(2949, 1787, 1228, 756), array(2301, 1394, 958, 590)), + array(array(5529, 3351, 2303, 1417), array(4343, 2632, 1809, 1113), + array(3081, 1867, 1283, 790), array(2361, 1431, 983, 605)), + array(array(5836, 3537, 2431, 1496), array(4588, 2780, 1911, 1176), + array(3244, 1966, 1351, 832), array(2524, 1530, 1051, 647)), + array(array(6153, 3729, 2563, 1577), array(4775, 2894, 1989, 1224), + array(3417, 2071, 1423, 876), array(2625, 1591, 1093, 673)), + array(array(6479, 3927, 2699, 1661), array(5039, 3054, 2099, 1292), + array(3599, 2181, 1499, 923), array(2735, 1658, 1139, 701)), + array(array(6743, 4087, 2809, 1729), array(5313, 3220, 2213, 1362), + array(3791, 2298, 1579, 972), array(2927, 1774, 1219, 750)), + array(array(7089, 4296, 2953, 1817), array(5596, 3391, 2331, 1435), + array(3993, 2420, 1663, 1024), array(3057, 1852, 1273, 784)), + ); + + /* $qr_ec_params[ */ + /* 4 * (version - 1) + (0 for L, 1 for M, 2 for Q, 3 for H) */ + /* ] = array( */ + /* total number of data codewords, */ + /* number of error correction codewords per block, */ + /* number of blocks in first group, */ + /* number of data codewords per block in first group, */ + /* number of blocks in second group, */ + /* number of data codewords per block in second group */ + /* ); */ + private $qr_ec_params = array( + array( 19, 7, 1, 19, 0, 0 ), + array( 16, 10, 1, 16, 0, 0 ), + array( 13, 13, 1, 13, 0, 0 ), + array( 9, 17, 1, 9, 0, 0 ), + array( 34, 10, 1, 34, 0, 0 ), + array( 28, 16, 1, 28, 0, 0 ), + array( 22, 22, 1, 22, 0, 0 ), + array( 16, 28, 1, 16, 0, 0 ), + array( 55, 15, 1, 55, 0, 0 ), + array( 44, 26, 1, 44, 0, 0 ), + array( 34, 18, 2, 17, 0, 0 ), + array( 26, 22, 2, 13, 0, 0 ), + array( 80, 20, 1, 80, 0, 0 ), + array( 64, 18, 2, 32, 0, 0 ), + array( 48, 26, 2, 24, 0, 0 ), + array( 36, 16, 4, 9, 0, 0 ), + array( 108, 26, 1, 108, 0, 0 ), + array( 86, 24, 2, 43, 0, 0 ), + array( 62, 18, 2, 15, 2, 16 ), + array( 46, 22, 2, 11, 2, 12 ), + array( 136, 18, 2, 68, 0, 0 ), + array( 108, 16, 4, 27, 0, 0 ), + array( 76, 24, 4, 19, 0, 0 ), + array( 60, 28, 4, 15, 0, 0 ), + array( 156, 20, 2, 78, 0, 0 ), + array( 124, 18, 4, 31, 0, 0 ), + array( 88, 18, 2, 14, 4, 15 ), + array( 66, 26, 4, 13, 1, 14 ), + array( 194, 24, 2, 97, 0, 0 ), + array( 154, 22, 2, 38, 2, 39 ), + array( 110, 22, 4, 18, 2, 19 ), + array( 86, 26, 4, 14, 2, 15 ), + array( 232, 30, 2, 116, 0, 0 ), + array( 182, 22, 3, 36, 2, 37 ), + array( 132, 20, 4, 16, 4, 17 ), + array( 100, 24, 4, 12, 4, 13 ), + array( 274, 18, 2, 68, 2, 69 ), + array( 216, 26, 4, 43, 1, 44 ), + array( 154, 24, 6, 19, 2, 20 ), + array( 122, 28, 6, 15, 2, 16 ), + array( 324, 20, 4, 81, 0, 0 ), + array( 254, 30, 1, 50, 4, 51 ), + array( 180, 28, 4, 22, 4, 23 ), + array( 140, 24, 3, 12, 8, 13 ), + array( 370, 24, 2, 92, 2, 93 ), + array( 290, 22, 6, 36, 2, 37 ), + array( 206, 26, 4, 20, 6, 21 ), + array( 158, 28, 7, 14, 4, 15 ), + array( 428, 26, 4, 107, 0, 0 ), + array( 334, 22, 8, 37, 1, 38 ), + array( 244, 24, 8, 20, 4, 21 ), + array( 180, 22, 12, 11, 4, 12 ), + array( 461, 30, 3, 115, 1, 116 ), + array( 365, 24, 4, 40, 5, 41 ), + array( 261, 20, 11, 16, 5, 17 ), + array( 197, 24, 11, 12, 5, 13 ), + array( 523, 22, 5, 87, 1, 88 ), + array( 415, 24, 5, 41, 5, 42 ), + array( 295, 30, 5, 24, 7, 25 ), + array( 223, 24, 11, 12, 7, 13 ), + array( 589, 24, 5, 98, 1, 99 ), + array( 453, 28, 7, 45, 3, 46 ), + array( 325, 24, 15, 19, 2, 20 ), + array( 253, 30, 3, 15, 13, 16 ), + array( 647, 28, 1, 107, 5, 108 ), + array( 507, 28, 10, 46, 1, 47 ), + array( 367, 28, 1, 22, 15, 23 ), + array( 283, 28, 2, 14, 17, 15 ), + array( 721, 30, 5, 120, 1, 121 ), + array( 563, 26, 9, 43, 4, 44 ), + array( 397, 28, 17, 22, 1, 23 ), + array( 313, 28, 2, 14, 19, 15 ), + array( 795, 28, 3, 113, 4, 114 ), + array( 627, 26, 3, 44, 11, 45 ), + array( 445, 26, 17, 21, 4, 22 ), + array( 341, 26, 9, 13, 16, 14 ), + array( 861, 28, 3, 107, 5, 108 ), + array( 669, 26, 3, 41, 13, 42 ), + array( 485, 30, 15, 24, 5, 25 ), + array( 385, 28, 15, 15, 10, 16 ), + array( 932, 28, 4, 116, 4, 117 ), + array( 714, 26, 17, 42, 0, 0 ), + array( 512, 28, 17, 22, 6, 23 ), + array( 406, 30, 19, 16, 6, 17 ), + array( 1006, 28, 2, 111, 7, 112 ), + array( 782, 28, 17, 46, 0, 0 ), + array( 568, 30, 7, 24, 16, 25 ), + array( 442, 24, 34, 13, 0, 0 ), + array( 1094, 30, 4, 121, 5, 122 ), + array( 860, 28, 4, 47, 14, 48 ), + array( 614, 30, 11, 24, 14, 25 ), + array( 464, 30, 16, 15, 14, 16 ), + array( 1174, 30, 6, 117, 4, 118 ), + array( 914, 28, 6, 45, 14, 46 ), + array( 664, 30, 11, 24, 16, 25 ), + array( 514, 30, 30, 16, 2, 17 ), + array( 1276, 26, 8, 106, 4, 107 ), + array( 1000, 28, 8, 47, 13, 48 ), + array( 718, 30, 7, 24, 22, 25 ), + array( 538, 30, 22, 15, 13, 16 ), + array( 1370, 28, 10, 114, 2, 115 ), + array( 1062, 28, 19, 46, 4, 47 ), + array( 754, 28, 28, 22, 6, 23 ), + array( 596, 30, 33, 16, 4, 17 ), + array( 1468, 30, 8, 122, 4, 123 ), + array( 1128, 28, 22, 45, 3, 46 ), + array( 808, 30, 8, 23, 26, 24 ), + array( 628, 30, 12, 15, 28, 16 ), + array( 1531, 30, 3, 117, 10, 118 ), + array( 1193, 28, 3, 45, 23, 46 ), + array( 871, 30, 4, 24, 31, 25 ), + array( 661, 30, 11, 15, 31, 16 ), + array( 1631, 30, 7, 116, 7, 117 ), + array( 1267, 28, 21, 45, 7, 46 ), + array( 911, 30, 1, 23, 37, 24 ), + array( 701, 30, 19, 15, 26, 16 ), + array( 1735, 30, 5, 115, 10, 116 ), + array( 1373, 28, 19, 47, 10, 48 ), + array( 985, 30, 15, 24, 25, 25 ), + array( 745, 30, 23, 15, 25, 16 ), + array( 1843, 30, 13, 115, 3, 116 ), + array( 1455, 28, 2, 46, 29, 47 ), + array( 1033, 30, 42, 24, 1, 25 ), + array( 793, 30, 23, 15, 28, 16 ), + array( 1955, 30, 17, 115, 0, 0 ), + array( 1541, 28, 10, 46, 23, 47 ), + array( 1115, 30, 10, 24, 35, 25 ), + array( 845, 30, 19, 15, 35, 16 ), + array( 2071, 30, 17, 115, 1, 116 ), + array( 1631, 28, 14, 46, 21, 47 ), + array( 1171, 30, 29, 24, 19, 25 ), + array( 901, 30, 11, 15, 46, 16 ), + array( 2191, 30, 13, 115, 6, 116 ), + array( 1725, 28, 14, 46, 23, 47 ), + array( 1231, 30, 44, 24, 7, 25 ), + array( 961, 30, 59, 16, 1, 17 ), + array( 2306, 30, 12, 121, 7, 122 ), + array( 1812, 28, 12, 47, 26, 48 ), + array( 1286, 30, 39, 24, 14, 25 ), + array( 986, 30, 22, 15, 41, 16 ), + array( 2434, 30, 6, 121, 14, 122 ), + array( 1914, 28, 6, 47, 34, 48 ), + array( 1354, 30, 46, 24, 10, 25 ), + array( 1054, 30, 2, 15, 64, 16 ), + array( 2566, 30, 17, 122, 4, 123 ), + array( 1992, 28, 29, 46, 14, 47 ), + array( 1426, 30, 49, 24, 10, 25 ), + array( 1096, 30, 24, 15, 46, 16 ), + array( 2702, 30, 4, 122, 18, 123 ), + array( 2102, 28, 13, 46, 32, 47 ), + array( 1502, 30, 48, 24, 14, 25 ), + array( 1142, 30, 42, 15, 32, 16 ), + array( 2812, 30, 20, 117, 4, 118 ), + array( 2216, 28, 40, 47, 7, 48 ), + array( 1582, 30, 43, 24, 22, 25 ), + array( 1222, 30, 10, 15, 67, 16 ), + array( 2956, 30, 19, 118, 6, 119 ), + array( 2334, 28, 18, 47, 31, 48 ), + array( 1666, 30, 34, 24, 34, 25 ), + array( 1276, 30, 20, 15, 61, 16 ), + ); + + private $qr_ec_polynomials = array( + 7 => array( + 0, 87, 229, 146, 149, 238, 102, 21 + ), + 10 => array( + 0, 251, 67, 46, 61, 118, 70, 64, 94, 32, 45 + ), + 13 => array( + 0, 74, 152, 176, 100, 86, 100, + 106, 104, 130, 218, 206, 140, 78 + ), + 15 => array( + 0, 8, 183, 61, 91, 202, 37, 51, + 58, 58, 237, 140, 124, 5, 99, 105 + ), + 16 => array( + 0, 120, 104, 107, 109, 102, 161, 76, 3, + 91, 191, 147, 169, 182, 194, 225, 120 + ), + 17 => array( + 0, 43, 139, 206, 78, 43, 239, 123, 206, + 214, 147, 24, 99, 150, 39, 243, 163, 136 + ), + 18 => array( + 0, 215, 234, 158, 94, 184, 97, 118, 170, 79, + 187, 152, 148, 252, 179, 5, 98, 96, 153 + ), + 20 => array( + 0, 17, 60, 79, 50, 61, 163, 26, 187, 202, 180, + 221, 225, 83, 239, 156, 164, 212, 212, 188, 190 + ), + 22 => array( + 0, 210, 171, 247, 242, 93, 230, 14, 109, 221, 53, 200, + 74, 8, 172, 98, 80, 219, 134, 160, 105, 165, 231 + ), + 24 => array( + 0, 229, 121, 135, 48, 211, 117, 251, 126, 159, 180, 169, + 152, 192, 226, 228, 218, 111, 0, 117, 232, 87, 96, 227, 21 + ), + 26 => array( + 0, 173, 125, 158, 2, 103, 182, 118, 17, + 145, 201, 111, 28, 165, 53, 161, 21, 245, + 142, 13, 102, 48, 227, 153, 145, 218, 70 + ), + 28 => array( + 0, 168, 223, 200, 104, 224, 234, 108, 180, + 110, 190, 195, 147, 205, 27, 232, 201, 21, 43, + 245, 87, 42, 195, 212, 119, 242, 37, 9, 123 + ), + 30 => array( + 0, 41, 173, 145, 152, 216, 31, 179, 182, 50, 48, + 110, 86, 239, 96, 222, 125, 42, 173, 226, 193, + 224, 130, 156, 37, 251, 216, 238, 40, 192, 180 + ), + ); + + private $qr_log = array( + 0, 0, 1, 25, 2, 50, 26, 198, + 3, 223, 51, 238, 27, 104, 199, 75, + 4, 100, 224, 14, 52, 141, 239, 129, + 28, 193, 105, 248, 200, 8, 76, 113, + 5, 138, 101, 47, 225, 36, 15, 33, + 53, 147, 142, 218, 240, 18, 130, 69, + 29, 181, 194, 125, 106, 39, 249, 185, + 201, 154, 9, 120, 77, 228, 114, 166, + 6, 191, 139, 98, 102, 221, 48, 253, + 226, 152, 37, 179, 16, 145, 34, 136, + 54, 208, 148, 206, 143, 150, 219, 189, + 241, 210, 19, 92, 131, 56, 70, 64, + 30, 66, 182, 163, 195, 72, 126, 110, + 107, 58, 40, 84, 250, 133, 186, 61, + 202, 94, 155, 159, 10, 21, 121, 43, + 78, 212, 229, 172, 115, 243, 167, 87, + 7, 112, 192, 247, 140, 128, 99, 13, + 103, 74, 222, 237, 49, 197, 254, 24, + 227, 165, 153, 119, 38, 184, 180, 124, + 17, 68, 146, 217, 35, 32, 137, 46, + 55, 63, 209, 91, 149, 188, 207, 205, + 144, 135, 151, 178, 220, 252, 190, 97, + 242, 86, 211, 171, 20, 42, 93, 158, + 132, 60, 57, 83, 71, 109, 65, 162, + 31, 45, 67, 216, 183, 123, 164, 118, + 196, 23, 73, 236, 127, 12, 111, 246, + 108, 161, 59, 82, 41, 157, 85, 170, + 251, 96, 134, 177, 187, 204, 62, 90, + 203, 89, 95, 176, 156, 169, 160, 81, + 11, 245, 22, 235, 122, 117, 44, 215, + 79, 174, 213, 233, 230, 231, 173, 232, + 116, 214, 244, 234, 168, 80, 88, 175, + ); + + private $qr_exp = array( + 1, 2, 4, 8, 16, 32, 64, 128, + 29, 58, 116, 232, 205, 135, 19, 38, + 76, 152, 45, 90, 180, 117, 234, 201, + 143, 3, 6, 12, 24, 48, 96, 192, + 157, 39, 78, 156, 37, 74, 148, 53, + 106, 212, 181, 119, 238, 193, 159, 35, + 70, 140, 5, 10, 20, 40, 80, 160, + 93, 186, 105, 210, 185, 111, 222, 161, + 95, 190, 97, 194, 153, 47, 94, 188, + 101, 202, 137, 15, 30, 60, 120, 240, + 253, 231, 211, 187, 107, 214, 177, 127, + 254, 225, 223, 163, 91, 182, 113, 226, + 217, 175, 67, 134, 17, 34, 68, 136, + 13, 26, 52, 104, 208, 189, 103, 206, + 129, 31, 62, 124, 248, 237, 199, 147, + 59, 118, 236, 197, 151, 51, 102, 204, + 133, 23, 46, 92, 184, 109, 218, 169, + 79, 158, 33, 66, 132, 21, 42, 84, + 168, 77, 154, 41, 82, 164, 85, 170, + 73, 146, 57, 114, 228, 213, 183, 115, + 230, 209, 191, 99, 198, 145, 63, 126, + 252, 229, 215, 179, 123, 246, 241, 255, + 227, 219, 171, 75, 150, 49, 98, 196, + 149, 55, 110, 220, 165, 87, 174, 65, + 130, 25, 50, 100, 200, 141, 7, 14, + 28, 56, 112, 224, 221, 167, 83, 166, + 81, 162, 89, 178, 121, 242, 249, 239, + 195, 155, 43, 86, 172, 69, 138, 9, + 18, 36, 72, 144, 61, 122, 244, 245, + 247, 243, 251, 235, 203, 139, 11, 22, + 44, 88, 176, 125, 250, 233, 207, 131, + 27, 54, 108, 216, 173, 71, 142, 1, + ); + + private $qr_remainder_bits = array( + 0, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, + ); + + private $qr_alignment_patterns = array( + array(6, 18), + array(6, 22), + array(6, 26), + array(6, 30), + array(6, 34), + array(6, 22, 38), + array(6, 24, 42), + array(6, 26, 46), + array(6, 28, 50), + array(6, 30, 54), + array(6, 32, 58), + array(6, 34, 62), + array(6, 26, 46, 66), + array(6, 26, 48, 70), + array(6, 26, 50, 74), + array(6, 30, 54, 78), + array(6, 30, 56, 82), + array(6, 30, 58, 86), + array(6, 34, 62, 90), + array(6, 28, 50, 72, 94), + array(6, 26, 50, 74, 98), + array(6, 30, 54, 78, 102), + array(6, 28, 54, 80, 106), + array(6, 32, 58, 84, 110), + array(6, 30, 58, 86, 114), + array(6, 34, 62, 90, 118), + array(6, 26, 50, 74, 98, 122), + array(6, 30, 54, 78, 102, 126), + array(6, 26, 52, 78, 104, 130), + array(6, 30, 56, 82, 108, 134), + array(6, 34, 60, 86, 112, 138), + array(6, 30, 58, 86, 114, 142), + array(6, 34, 62, 90, 118, 146), + array(6, 30, 54, 78, 102, 126, 150), + array(6, 24, 50, 76, 102, 128, 154), + array(6, 28, 54, 80, 106, 132, 158), + array(6, 32, 58, 84, 110, 136, 162), + array(6, 26, 54, 82, 110, 138, 166), + array(6, 30, 58, 86, 114, 142, 170), + ); + + /* format info string = $qr_format_info[ */ + /* (0 for L, 8 for M, 16 for Q, 24 for H) + mask */ + /* ]; */ + private $qr_format_info = array( + array( 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0 ), + array( 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1 ), + array( 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0 ), + array( 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1 ), + array( 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1 ), + array( 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0 ), + array( 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1 ), + array( 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0 ), + array( 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0 ), + array( 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1 ), + array( 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0 ), + array( 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1 ), + array( 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1 ), + array( 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0 ), + array( 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1 ), + array( 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0 ), + array( 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1 ), + array( 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0 ), + array( 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1 ), + array( 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0 ), + array( 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0 ), + array( 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1 ), + array( 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0 ), + array( 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1 ), + array( 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1 ), + array( 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0 ), + array( 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1 ), + array( 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0 ), + array( 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0 ), + array( 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1 ), + array( 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0 ), + array( 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1 ), + ); + + /* version info string = $qr_version_info[ (version - 7) ] */ + private $qr_version_info = array( + array( 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0 ), + array( 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0 ), + array( 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1 ), + array( 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1 ), + array( 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0 ), + array( 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0 ), + array( 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1 ), + array( 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1 ), + array( 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0 ), + array( 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0 ), + array( 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1 ), + array( 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1 ), + array( 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0 ), + array( 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0 ), + array( 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1 ), + array( 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1 ), + array( 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 ), + array( 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0 ), + array( 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1 ), + array( 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1 ), + array( 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0 ), + array( 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0 ), + array( 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1 ), + array( 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1 ), + array( 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 ), + array( 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1 ), + array( 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0 ), + array( 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0 ), + array( 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1 ), + array( 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1 ), + array( 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0 ), + array( 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0 ), + array( 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1 ), + array( 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1 ), + ); + + /* - - - - DATA MATRIX ENCODER - - - - */ + + private function dmtx_encode($data, $rect, $fnc1) { + list($data, $ec) = $this->dmtx_encode_data($data, $rect, $fnc1); + $data = $this->dmtx_encode_ec($data, $ec); + list($h, $w, $mtx) = $this->dmtx_create_matrix($ec, $data); + return array( + 'g' => 'm', + 'q' => array(1, 1, 1, 1), + 's' => array($w, $h), + 'b' => $mtx + ); + } + + private function dmtx_encode_data($data, $rect, $fnc1) { + /* Convert to data codewords. */ + $edata = ($fnc1 ? array(232) : array()); + $length = strlen($data); + $offset = 0; + while ($offset < $length) { + $ch1 = ord(substr($data, $offset, 1)); + $offset++; + if ($ch1 >= 0x30 && $ch1 <= 0x39) { + $ch2 = ord(substr($data, $offset, 1)); + if ($ch2 >= 0x30 && $ch2 <= 0x39) { + $offset++; + $edata[] = (($ch1 - 0x30) * 10) + ($ch2 - 0x30) + 130; + } else { + $edata[] = $ch1 + 1; + } + } else if ($ch1 < 0x80) { + $edata[] = $ch1 + 1; + } else { + $edata[] = 235; + $edata[] = ($ch1 - 0x80) + 1; + } + } + /* Add padding. */ + $length = count($edata); + $ec_params = $this->dmtx_detect_version($length, $rect); + if ($length > $ec_params[0]) { + $length = $ec_params[0]; + $edata = array_slice($edata, 0, $length); + if ($edata[$length - 1] == 235) { + $edata[$length - 1] = 129; + } + } else if ($length < $ec_params[0]) { + $length++; + $edata[] = 129; + while ($length < $ec_params[0]) { + $length++; + $r = (($length * 149) % 253) + 1; + $edata[] = ($r + 129) % 254; + } + } + /* Return. */ + return array($edata, $ec_params); + } + + private function dmtx_detect_version($length, $rect) { + for ($i = ($rect ? 24 : 0), $j = ($rect ? 30 : 24); $i < $j; $i++) { + if ($length <= $this->dmtx_ec_params[$i][0]) { + return $this->dmtx_ec_params[$i]; + } + } + return $this->dmtx_ec_params[$j - 1]; + } + + private function dmtx_encode_ec($data, $ec_params) { + $blocks = $this->dmtx_ec_split($data, $ec_params); + for ($i = 0, $n = count($blocks); $i < $n; $i++) { + $ec_block = $this->dmtx_ec_divide($blocks[$i], $ec_params); + $blocks[$i] = array_merge($blocks[$i], $ec_block); + } + return $this->dmtx_ec_interleave($blocks); + } + + private function dmtx_ec_split($data, $ec_params) { + $blocks = array(); + $num_blocks = $ec_params[2] + $ec_params[4]; + for ($i = 0; $i < $num_blocks; $i++) { + $blocks[$i] = array(); + } + for ($i = 0, $length = count($data); $i < $length; $i++) { + $blocks[$i % $num_blocks][] = $data[$i]; + } + return $blocks; + } + + private function dmtx_ec_divide($data, $ec_params) { + $num_data = count($data); + $num_error = $ec_params[1]; + $generator = $this->dmtx_ec_polynomials[$num_error]; + $message = $data; + for ($i = 0; $i < $num_error; $i++) { + $message[] = 0; + } + for ($i = 0; $i < $num_data; $i++) { + if ($message[$i]) { + $leadterm = $this->dmtx_log[$message[$i]]; + for ($j = 0; $j <= $num_error; $j++) { + $term = ($generator[$j] + $leadterm) % 255; + $message[$i + $j] ^= $this->dmtx_exp[$term]; + } + } + } + return array_slice($message, $num_data, $num_error); + } + + private function dmtx_ec_interleave($blocks) { + $data = array(); + $num_blocks = count($blocks); + for ($offset = 0; true; $offset++) { + $break = true; + for ($i = 0; $i < $num_blocks; $i++) { + if (isset($blocks[$i][$offset])) { + $data[] = $blocks[$i][$offset]; + $break = false; + } + } + if ($break) break; + } + return $data; + } + + private function dmtx_create_matrix($ec_params, $data) { + /* Create matrix. */ + $rheight = $ec_params[8] + 2; + $rwidth = $ec_params[9] + 2; + $height = $ec_params[6] * $rheight; + $width = $ec_params[7] * $rwidth; + $bitmap = array(); + for ($y = 0; $y < $height; $y++) { + $row = array(); + for ($x = 0; $x < $width; $x++) { + $row[] = (( + ((($x + $y) % 2) == 0) || + (($x % $rwidth) == 0) || + (($y % $rheight) == ($rheight - 1)) + ) ? 1 : 0); + } + $bitmap[] = $row; + } + /* Create data region. */ + $rows = $ec_params[6] * $ec_params[8]; + $cols = $ec_params[7] * $ec_params[9]; + $matrix = array(); + for ($y = 0; $y < $rows; $y++) { + $row = array(); + for ($x = 0; $x < $width; $x++) { + $row[] = null; + } + $matrix[] = $row; + } + $this->dmtx_place_data($matrix, $rows, $cols, $data); + /* Copy into matrix. */ + for ($yy = 0; $yy < $ec_params[6]; $yy++) { + for ($xx = 0; $xx < $ec_params[7]; $xx++) { + for ($y = 0; $y < $ec_params[8]; $y++) { + for ($x = 0; $x < $ec_params[9]; $x++) { + $row = $yy * $ec_params[8] + $y; + $col = $xx * $ec_params[9] + $x; + $b = $matrix[$row][$col]; + if (is_null($b)) continue; + $row = $yy * $rheight + $y + 1; + $col = $xx * $rwidth + $x + 1; + $bitmap[$row][$col] = $b; + } + } + } + } + /* Return matrix. */ + return array($height, $width, $bitmap); + } + + private function dmtx_place_data(&$mtx, $rows, $cols, $data) { + $row = 4; + $col = 0; + $offset = 0; + $length = count($data); + while (($row < $rows || $col < $cols) && $offset < $length) { + /* Corner cases. Literally. */ + if ($row == $rows && $col == 0) { + $this->dmtx_place_1($mtx, $rows, $cols, $data[$offset++]); + } else if ($row == $rows - 2 && $col == 0 && $cols % 4 != 0) { + $this->dmtx_place_2($mtx, $rows, $cols, $data[$offset++]); + } else if ($row == $rows - 2 && $col == 0 && $cols % 8 == 4) { + $this->dmtx_place_3($mtx, $rows, $cols, $data[$offset++]); + } else if ($row == $rows + 4 && $col == 2 && $cols % 8 == 0) { + $this->dmtx_place_4($mtx, $rows, $cols, $data[$offset++]); + } + /* Up and to the right. */ + while ($row >= 0 && $col < $cols && $offset < $length) { + if ($row < $rows && $col >= 0 && is_null($mtx[$row][$col])) { + $b = $data[$offset++]; + $this->dmtx_place_0($mtx, $rows, $cols, $row, $col, $b); + } + $row -= 2; + $col += 2; + } + $row += 1; + $col += 3; + /* Down and to the left. */ + while ($row < $rows && $col >= 0 && $offset < $length) { + if ($row >= 0 && $col < $cols && is_null($mtx[$row][$col])) { + $b = $data[$offset++]; + $this->dmtx_place_0($mtx, $rows, $cols, $row, $col, $b); + } + $row += 2; + $col -= 2; + } + $row += 3; + $col += 1; + } + } + + private function dmtx_place_1(&$matrix, $rows, $cols, $b) { + $matrix[$rows - 1][0] = (($b & 0x80) ? 1 : 0); + $matrix[$rows - 1][1] = (($b & 0x40) ? 1 : 0); + $matrix[$rows - 1][2] = (($b & 0x20) ? 1 : 0); + $matrix[0][$cols - 2] = (($b & 0x10) ? 1 : 0); + $matrix[0][$cols - 1] = (($b & 0x08) ? 1 : 0); + $matrix[1][$cols - 1] = (($b & 0x04) ? 1 : 0); + $matrix[2][$cols - 1] = (($b & 0x02) ? 1 : 0); + $matrix[3][$cols - 1] = (($b & 0x01) ? 1 : 0); + } + + private function dmtx_place_2(&$matrix, $rows, $cols, $b) { + $matrix[$rows - 3][0] = (($b & 0x80) ? 1 : 0); + $matrix[$rows - 2][0] = (($b & 0x40) ? 1 : 0); + $matrix[$rows - 1][0] = (($b & 0x20) ? 1 : 0); + $matrix[0][$cols - 4] = (($b & 0x10) ? 1 : 0); + $matrix[0][$cols - 3] = (($b & 0x08) ? 1 : 0); + $matrix[0][$cols - 2] = (($b & 0x04) ? 1 : 0); + $matrix[0][$cols - 1] = (($b & 0x02) ? 1 : 0); + $matrix[1][$cols - 1] = (($b & 0x01) ? 1 : 0); + } + + private function dmtx_place_3(&$matrix, $rows, $cols, $b) { + $matrix[$rows - 3][0] = (($b & 0x80) ? 1 : 0); + $matrix[$rows - 2][0] = (($b & 0x40) ? 1 : 0); + $matrix[$rows - 1][0] = (($b & 0x20) ? 1 : 0); + $matrix[0][$cols - 2] = (($b & 0x10) ? 1 : 0); + $matrix[0][$cols - 1] = (($b & 0x08) ? 1 : 0); + $matrix[1][$cols - 1] = (($b & 0x04) ? 1 : 0); + $matrix[2][$cols - 1] = (($b & 0x02) ? 1 : 0); + $matrix[3][$cols - 1] = (($b & 0x01) ? 1 : 0); + } + + private function dmtx_place_4(&$matrix, $rows, $cols, $b) { + $matrix[$rows - 1][ 0] = (($b & 0x80) ? 1 : 0); + $matrix[$rows - 1][$cols - 1] = (($b & 0x40) ? 1 : 0); + $matrix[ 0][$cols - 3] = (($b & 0x20) ? 1 : 0); + $matrix[ 0][$cols - 2] = (($b & 0x10) ? 1 : 0); + $matrix[ 0][$cols - 1] = (($b & 0x08) ? 1 : 0); + $matrix[ 1][$cols - 3] = (($b & 0x04) ? 1 : 0); + $matrix[ 1][$cols - 2] = (($b & 0x02) ? 1 : 0); + $matrix[ 1][$cols - 1] = (($b & 0x01) ? 1 : 0); + } + + private function dmtx_place_0(&$matrix, $rows, $cols, $row, $col, $b) { + $this->dmtx_place_b($matrix, $rows, $cols, $row-2, $col-2, $b & 0x80); + $this->dmtx_place_b($matrix, $rows, $cols, $row-2, $col-1, $b & 0x40); + $this->dmtx_place_b($matrix, $rows, $cols, $row-1, $col-2, $b & 0x20); + $this->dmtx_place_b($matrix, $rows, $cols, $row-1, $col-1, $b & 0x10); + $this->dmtx_place_b($matrix, $rows, $cols, $row-1, $col-0, $b & 0x08); + $this->dmtx_place_b($matrix, $rows, $cols, $row-0, $col-2, $b & 0x04); + $this->dmtx_place_b($matrix, $rows, $cols, $row-0, $col-1, $b & 0x02); + $this->dmtx_place_b($matrix, $rows, $cols, $row-0, $col-0, $b & 0x01); + } + + private function dmtx_place_b(&$matrix, $rows, $cols, $row, $col, $b) { + if ($row < 0) { + $row += $rows; + $col += (4 - (($rows + 4) % 8)); + } + if ($col < 0) { + $col += $cols; + $row += (4 - (($cols + 4) % 8)); + } + $matrix[$row][$col] = ($b ? 1 : 0); + } + + /* $dmtx_ec_params[] = array( */ + /* total number of data codewords, */ + /* number of error correction codewords per block, */ + /* number of blocks in first group, */ + /* number of data codewords per block in first group, */ + /* number of blocks in second group, */ + /* number of data codewords per block in second group, */ + /* number of data regions (vertical), */ + /* number of data regions (horizontal), */ + /* number of rows per data region, */ + /* number of columns per data region */ + /* ); */ + private $dmtx_ec_params = array( + array( 3, 5, 1, 3, 0, 0, 1, 1, 8, 8 ), + array( 5, 7, 1, 5, 0, 0, 1, 1, 10, 10 ), + array( 8, 10, 1, 8, 0, 0, 1, 1, 12, 12 ), + array( 12, 12, 1, 12, 0, 0, 1, 1, 14, 14 ), + array( 18, 14, 1, 18, 0, 0, 1, 1, 16, 16 ), + array( 22, 18, 1, 22, 0, 0, 1, 1, 18, 18 ), + array( 30, 20, 1, 30, 0, 0, 1, 1, 20, 20 ), + array( 36, 24, 1, 36, 0, 0, 1, 1, 22, 22 ), + array( 44, 28, 1, 44, 0, 0, 1, 1, 24, 24 ), + array( 62, 36, 1, 62, 0, 0, 2, 2, 14, 14 ), + array( 86, 42, 1, 86, 0, 0, 2, 2, 16, 16 ), + array( 114, 48, 1, 114, 0, 0, 2, 2, 18, 18 ), + array( 144, 56, 1, 144, 0, 0, 2, 2, 20, 20 ), + array( 174, 68, 1, 174, 0, 0, 2, 2, 22, 22 ), + array( 204, 42, 2, 102, 0, 0, 2, 2, 24, 24 ), + array( 280, 56, 2, 140, 0, 0, 4, 4, 14, 14 ), + array( 368, 36, 4, 92, 0, 0, 4, 4, 16, 16 ), + array( 456, 48, 4, 114, 0, 0, 4, 4, 18, 18 ), + array( 576, 56, 4, 144, 0, 0, 4, 4, 20, 20 ), + array( 696, 68, 4, 174, 0, 0, 4, 4, 22, 22 ), + array( 816, 56, 6, 136, 0, 0, 4, 4, 24, 24 ), + array( 1050, 68, 6, 175, 0, 0, 6, 6, 18, 18 ), + array( 1304, 62, 8, 163, 0, 0, 6, 6, 20, 20 ), + array( 1558, 62, 8, 156, 2, 155, 6, 6, 22, 22 ), + array( 5, 7, 1, 5, 0, 0, 1, 1, 6, 16 ), + array( 10, 11, 1, 10, 0, 0, 1, 2, 6, 14 ), + array( 16, 14, 1, 16, 0, 0, 1, 1, 10, 24 ), + array( 22, 18, 1, 22, 0, 0, 1, 2, 10, 16 ), + array( 32, 24, 1, 32, 0, 0, 1, 2, 14, 16 ), + array( 49, 28, 1, 49, 0, 0, 1, 2, 14, 22 ), + ); + + private $dmtx_ec_polynomials = array( + 5 => array( + 0, 235, 207, 210, 244, 15 + ), + 7 => array( + 0, 177, 30, 214, 218, 42, 197, 28 + ), + 10 => array( + 0, 199, 50, 150, 120, 237, 131, 172, 83, 243, 55 + ), + 11 => array( + 0, 213, 173, 212, 156, 103, 109, 174, 242, 215, 12, 66 + ), + 12 => array( + 0, 168, 142, 35, 173, 94, 185, 107, 199, 74, 194, 233, 78 + ), + 14 => array( + 0, 83, 171, 33, 39, 8, 12, 248, + 27, 38, 84, 93, 246, 173, 105 + ), + 18 => array( + 0, 164, 9, 244, 69, 177, 163, 161, 231, 94, + 250, 199, 220, 253, 164, 103, 142, 61, 171 + ), + 20 => array( + 0, 127, 33, 146, 23, 79, 25, 193, 122, 209, 233, + 230, 164, 1, 109, 184, 149, 38, 201, 61, 210 + ), + 24 => array( + 0, 65, 141, 245, 31, 183, 242, 236, 177, 127, 225, 106, + 22, 131, 20, 202, 22, 106, 137, 103, 231, 215, 136, 85, 45 + ), + 28 => array( + 0, 150, 32, 109, 149, 239, 213, 198, 48, 94, + 50, 12, 195, 167, 130, 196, 253, 99, 166, 239, + 222, 146, 190, 245, 184, 173, 125, 17, 151 + ), + 36 => array( + 0, 57, 86, 187, 69, 140, 153, 31, 66, 135, 67, 248, 84, + 90, 81, 219, 197, 2, 1, 39, 16, 75, 229, 20, 51, 252, + 108, 213, 181, 183, 87, 111, 77, 232, 168, 176, 156 + ), + 42 => array( + 0, 225, 38, 225, 148, 192, 254, 141, 11, 82, 237, + 81, 24, 13, 122, 0, 106, 167, 13, 207, 160, 88, + 203, 38, 142, 84, 66, 3, 168, 102, 156, 1, 200, + 88, 60, 233, 134, 115, 114, 234, 90, 65, 138 + ), + 48 => array( + 0, 114, 69, 122, 30, 94, 11, 66, 230, 132, 73, 145, 137, + 135, 79, 214, 33, 12, 220, 142, 213, 136, 124, 215, 166, + 9, 222, 28, 154, 132, 4, 100, 170, 145, 59, 164, 215, 17, + 249, 102, 249, 134, 128, 5, 245, 131, 127, 221, 156 + ), + 56 => array( + 0, 29, 179, 99, 149, 159, 72, 125, 22, 55, 60, 217, + 176, 156, 90, 43, 80, 251, 235, 128, 169, 254, 134, + 249, 42, 121, 118, 72, 128, 129, 232, 37, 15, 24, 221, + 143, 115, 131, 40, 113, 254, 19, 123, 246, 68, 166, + 66, 118, 142, 47, 51, 195, 242, 249, 131, 38, 66 + ), + 62 => array( + 0, 182, 133, 162, 126, 236, 58, 172, 163, 53, 121, 159, 2, + 166, 137, 234, 158, 195, 164, 77, 228, 226, 145, 91, 180, + 232, 23, 241, 132, 135, 206, 184, 14, 6, 66, 238, 83, 100, + 111, 85, 202, 91, 156, 68, 218, 57, 83, 222, 188, 25, 179, + 144, 169, 164, 82, 154, 103, 89, 42, 141, 175, 32, 168 + ), + 68 => array( + 0, 33, 79, 190, 245, 91, 221, 233, 25, 24, 6, 144, + 151, 121, 186, 140, 127, 45, 153, 250, 183, 70, 131, + 198, 17, 89, 245, 121, 51, 140, 252, 203, 82, 83, 233, + 152, 220, 155, 18, 230, 210, 94, 32, 200, 197, 192, + 194, 202, 129, 10, 237, 198, 94, 176, 36, 40, 139, + 201, 132, 219, 34, 56, 113, 52, 20, 34, 247, 15, 51 + ), + ); + + private $dmtx_log = array( + 0, 0, 1, 240, 2, 225, 241, 53, + 3, 38, 226, 133, 242, 43, 54, 210, + 4, 195, 39, 114, 227, 106, 134, 28, + 243, 140, 44, 23, 55, 118, 211, 234, + 5, 219, 196, 96, 40, 222, 115, 103, + 228, 78, 107, 125, 135, 8, 29, 162, + 244, 186, 141, 180, 45, 99, 24, 49, + 56, 13, 119, 153, 212, 199, 235, 91, + 6, 76, 220, 217, 197, 11, 97, 184, + 41, 36, 223, 253, 116, 138, 104, 193, + 229, 86, 79, 171, 108, 165, 126, 145, + 136, 34, 9, 74, 30, 32, 163, 84, + 245, 173, 187, 204, 142, 81, 181, 190, + 46, 88, 100, 159, 25, 231, 50, 207, + 57, 147, 14, 67, 120, 128, 154, 248, + 213, 167, 200, 63, 236, 110, 92, 176, + 7, 161, 77, 124, 221, 102, 218, 95, + 198, 90, 12, 152, 98, 48, 185, 179, + 42, 209, 37, 132, 224, 52, 254, 239, + 117, 233, 139, 22, 105, 27, 194, 113, + 230, 206, 87, 158, 80, 189, 172, 203, + 109, 175, 166, 62, 127, 247, 146, 66, + 137, 192, 35, 252, 10, 183, 75, 216, + 31, 83, 33, 73, 164, 144, 85, 170, + 246, 65, 174, 61, 188, 202, 205, 157, + 143, 169, 82, 72, 182, 215, 191, 251, + 47, 178, 89, 151, 101, 94, 160, 123, + 26, 112, 232, 21, 51, 238, 208, 131, + 58, 69, 148, 18, 15, 16, 68, 17, + 121, 149, 129, 19, 155, 59, 249, 70, + 214, 250, 168, 71, 201, 156, 64, 60, + 237, 130, 111, 20, 93, 122, 177, 150, + ); + + private $dmtx_exp = array( + 1, 2, 4, 8, 16, 32, 64, 128, + 45, 90, 180, 69, 138, 57, 114, 228, + 229, 231, 227, 235, 251, 219, 155, 27, + 54, 108, 216, 157, 23, 46, 92, 184, + 93, 186, 89, 178, 73, 146, 9, 18, + 36, 72, 144, 13, 26, 52, 104, 208, + 141, 55, 110, 220, 149, 7, 14, 28, + 56, 112, 224, 237, 247, 195, 171, 123, + 246, 193, 175, 115, 230, 225, 239, 243, + 203, 187, 91, 182, 65, 130, 41, 82, + 164, 101, 202, 185, 95, 190, 81, 162, + 105, 210, 137, 63, 126, 252, 213, 135, + 35, 70, 140, 53, 106, 212, 133, 39, + 78, 156, 21, 42, 84, 168, 125, 250, + 217, 159, 19, 38, 76, 152, 29, 58, + 116, 232, 253, 215, 131, 43, 86, 172, + 117, 234, 249, 223, 147, 11, 22, 44, + 88, 176, 77, 154, 25, 50, 100, 200, + 189, 87, 174, 113, 226, 233, 255, 211, + 139, 59, 118, 236, 245, 199, 163, 107, + 214, 129, 47, 94, 188, 85, 170, 121, + 242, 201, 191, 83, 166, 97, 194, 169, + 127, 254, 209, 143, 51, 102, 204, 181, + 71, 142, 49, 98, 196, 165, 103, 206, + 177, 79, 158, 17, 34, 68, 136, 61, + 122, 244, 197, 167, 99, 198, 161, 111, + 222, 145, 15, 30, 60, 120, 240, 205, + 183, 67, 134, 33, 66, 132, 37, 74, + 148, 5, 10, 20, 40, 80, 160, 109, + 218, 153, 31, 62, 124, 248, 221, 151, + 3, 6, 12, 24, 48, 96, 192, 173, + 119, 238, 241, 207, 179, 75, 150, 1, + ); + +} \ No newline at end of file diff --git a/rfc6238.php b/rfc6238.php index 6d4c22b3b..6503b07c6 100644 --- a/rfc6238.php +++ b/rfc6238.php @@ -58,14 +58,6 @@ public static function getTokenCodeDebug($secretkey, $rangein30s = 3) { return $result; } - public static function getBarCodeUrl($username, $domain, $secretkey, $issuer) { - $url = "https://chart.apis.google.com/chart"; - $url = $url."?chs=200x200&chld=M|0&cht=qr&chl=otpauth://totp/"; - $url = $url.$username . "@" . $domain . "%3Fsecret%3D" . $secretkey . '%26issuer%3D' . rawurlencode($issuer); - - return $url; - } - private static function oath_hotp ($key, $counter, $debug=false) { $result = ""; $orgcounter = $counter; diff --git a/user_security.php b/user_security.php index 5b938c8ef..b3d85eb2c 100644 --- a/user_security.php +++ b/user_security.php @@ -59,10 +59,12 @@ if (!empty($session_token)) { - //Generate QR Code based off the generated key - print sprintf('', TokenAuth6238::getBarCodeUrl($session_name, ' ', $session_token, $_SERVER['SERVER_NAME'])); + // Generate QR Code + $data = "otpauth://totp/ITFlow:$session_email?secret=$session_token"; + print ""; echo "

$session_token

"; + } ?> From 2b006af52db38b30a916bdf99b903eb24ed3e1b4 Mon Sep 17 00:00:00 2001 From: Marcus Hill Date: Sun, 26 May 2024 16:29:35 +0100 Subject: [PATCH 2/2] 2FA QR Codes Move away from the Google Charts API for generating QR codes as this is currently broken and not a security best practice. --- plugins/barcode/barcode.php | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/plugins/barcode/barcode.php b/plugins/barcode/barcode.php index b11150111..1c29d10da 100644 --- a/plugins/barcode/barcode.php +++ b/plugins/barcode/barcode.php @@ -26,6 +26,10 @@ \****************************************************************************/ +// Check php-gd is installed +$testGD = get_extension_funcs("gd"); +if (!$testGD){ echo "The GD extension is not installed, please install using 'apt install php-gd', restart Apache, and try again"; exit; } + if (realpath(__FILE__) == realpath($_SERVER['SCRIPT_FILENAME'])) { if (isset($_POST['s']) && isset($_POST['d'])) { $generator = new barcode_generator(); @@ -3345,4 +3349,4 @@ private function dmtx_place_b(&$matrix, $rows, $cols, $row, $col, $b) { 119, 238, 241, 207, 179, 75, 150, 1, ); -} \ No newline at end of file +}